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Health News Results - 56

People sometimes refer to menopause as "the change of life," but many women are surprised that one of the things that changes is their skin, an expert says.

"Although fluctuating hormones during menopause can result in a number of skin changes, these don't need to be disruptive to daily life," said New York City dermatologist Dr. Diane Berson. "With the right care, women can continue ...

When pregnant women use cosmetics containing parabens, their children may have a greater likelihood of becoming overweight, a new study suggests.

Parabens are chemicals that have long been used as a preservative in cosmetics and body care products. A number of studies have suggested that parabens mimic estrogens in the body and may disrupt the normal function of hormones.

In...

High levels of the sex hormone testosterone may trigger different health problems in men and women, a new study reveals.

In women, testosterone may increase the risk for type 2 diabetes, while in men it lowers that risk. But high levels of testosterone increase the risk for breast and endometrial cancer in women and prostate cancer in men, the researchers reported.

"Our fi...

Suppressing puberty in a child who's questioning their gender identity might seem extreme, but the therapy is relatively safe and could significantly lower their risk of suicide, a new study reports.

Adolescents who wanted and received puberty suppression were 60% less likely to have considered suicide within the past year and 30% less likely to consider suicide throughout lif...

Exercise may reduce the odds you'll develop any of seven types of cancer -- and a new study suggests the more you exercise, the lower your risk.

That's the conclusion of researchers who pooled data from nine published studies that included more than 750,000 men and women.

"We found that the recommended amount of physical activity was in fact associated with significantly r...

Many women use birth control pills or other hormone-based contraceptives to enjoy sex without fear of an unplanned pregnancy. But could they kill your mojo?

There has been some concern that a woman's sex drive can drop after starting a new form of hormone-based birth control. Sex drive studies involving the pill, the patch and hormone-releasing intrauterine devices (IUDs) have been m...

Levels of the widely used chemical bisphenol A (BPA) in people's bodies are much higher than once thought, according to scientists who say they've created a more accurate way to measure them.

BPA is used in many plastic products, including food and drink containers, and animal studies have shown that it can interfere with hormones. Exposure to BPA in the womb has been linked to growth...

A small, preliminary study suggests that a brain area called the hypothalamus appears to be about 6% smaller in women who use birth control pills.

But exactly what that means isn't yet clear. In this study, women on the pill had statistically significant increases in anger. Researchers also found a possible link with depression symptoms.

The good news: They didn't see ...

Testosterone therapy appears to double a man's risk of suffering a potentially life-threatening blood clot, a new study warns.

Men had twice the risk for a deep vein blood clot if they'd been receiving testosterone during the previous six months, researchers reported in the Nov. 11 online edition of JAMA Internal Medicine.

The increased risk occurred whether or not a ...

Women, if you're bothered by frequent hot flashes, it may be more than a mere annoyance.

New research offers evidence that frequent or persistent hot flashes are linked to higher odds of heart attack and stroke. The finding stems from a 20-year study of about 3,300 women during menopause.

Of those women, 231 had a heart attack, stroke or heart failure.

Women who ha...

If you're a young adult, start thinking about your bone health, an expert advises.

Most people reach peak bone mass -- the strongest bones they'll ever have -- between 25 and 30 years of age, according to Dr. Philip Bosha, a physician with Penn State Sports Medicine in State College, Pa.

"To some extent, genetics determines the peak, but lifestyle influences, such as diet an...

Researchers are exploring fertility preservation in transgender women. And while they say there are no guarantees, they report it's possible to start producing sperm after stopping drugs that suppress maleness.

In a new case report, researchers found one of two patients produced sperm after discontinuing her puberty-halting medication. However, the other patient wasn't able to produc...

New British research is bolstering the theory that elevated levels of sex hormones in the uterus could play a role in autism risk.

Prior studies had already implicated higher uterine concentrations of male sex hormones -- androgens -- in increasing the odds for an autism spectrum disorder, noted a team led by Simon Baron-Cohen. He directs the Autism Research Center at the University o...

Manufacturers have been phasing out the plastics chemical bisphenol A because of evidence it might harm human health. Now a new study raises questions about the chemicals that have replaced it.

Bisphenol A, or BPA, has long been used in plastics. It was once in a wide range of products -- including the lining of food cans, food storage containers, water bottles and even the coating on...

Transgender women on gender-confirming hormone therapy have increased odds of breast cancer, but the overall risk is low and not as high as it is for the general female population, a new study finds.

Trans women are those who were declared male at birth but identify as female.

Previous research has shown that hormone replacement therapy (HRT) increases breast cancer risk in ...

Buyer beware: When it comes to testosterone supplements, men should know a new study finds there is precious little evidence to support claims they will boost testosterone levels, sex drive, strength and overall energy.

To come to this conclusion, the researchers first broke down 50 testosterone supplements into their component parts.

The investig...

Cases in which a newborn's genitals make it unclear whether the child is a boy or girl may be more common than once believed, researchers say.

One example of what's known as ambiguous genitalia is a baby girl with an enlarged clitoris that looks more like a small penis, the study authors explained.

In some cases, infants have external sex organs that don't match their intern...

Good news for men: That blood pressure medication you're taking might be doing double duty, helping reduce your risk of developing prostate cancer, a new study shows.

Researchers found that a beta blocker called atenolol cut men's risk of intermediate-grade prostate cancer about in half, compared with men not taking a beta blocker.

It also appeared to significantly reduce th...

Hormone-based treatment might improve social function in people with autism, a pair of new clinical trials suggests.

Both focused on vasopressin, a hormone that has been implicated in the brain's ability to manage social behavior.

In the first trial, vasopressin given as a nasal spray helped improve social responsiveness in kids with autism, said lead researcher Karen Parker...

Polycystic ovary syndrome is a common cause of infertility and type 2 diabetes, but little is known about its origins. Now, new research suggests a gene involved in male hormone production plays a big role in the disorder's development.

"We're starting to make headway on what causes PCOS [polycystic ovary syndrome]. It's very frustrating for patients because it's poorly understood," ...

For women with hormone-driven breast cancer, adding radiation to hormone therapy might keep their cancer from coming back for up to a decade, a new study finds.

Breast cancer didn't come back in the same breast for 97.5% of women who had radiation therapy plus hormone therapy compared to just over 92% of women who had hormone therapy alone, the researchers said.

In ...

If you're watching your weight, you probably know to avoid sugary and fatty foods. But what about preservatives?

Eating a preservative widely used in breads, baked goods and cheese may trigger metabolic responses that are linked to obesity and diabetes, an early study suggests.

The additive, called propionate, is actually a naturally occurring fatty acid produced in the gut....

A new study suggests that the fewer menstrual periods a woman has in her lifetime, the higher her risk of dementia -- though the reasons, for now, are unclear.

The study was based on close to 16,000 women. It found that those who started having periods at age 16 or later were more likely to develop dementia than women who started menstruating at a more typical age.

The same ...

Men who abuse hormones such as testosterone or steroids for bodybuilding can have declines in sperm and testosterone production, researchers say.

The good news: these changes seem to reverse once men stop hormone overuse.

While the use of nonprescribed male hormones (androgens) has surged in many wealthy countries, there has been little research into their effect on men's r...

Add one more issue to the growing list of harms from opioid abuse: Long-term use may lead to hormone deficiencies that affect a man's health.

Researchers reviewed the latest medical evidence and found that about two-thirds of men using opioids for more than six months develop hypogonadism, which is insufficient testosterone production.

The review also found that about one in...

People transitioning female to male face issues around future fertility. But new research suggests children in the future are a real possibility for these transgender men.

Now, research shows that transgender men can remain fertile after even one year of testosterone treatment.

It's common for transgender men -- those who were born female but who i...

When couples experience recurrent pregnancy loss, it's natural for them to want to know why. Now, a new study suggests that sperm DNA damage could be a factor.

Recurrent pregnancy loss is defined as the consecutive loss of three or more pregnancies before 20 weeks' gestation. It affects up to 2 percent of couples and, in many cases, it is difficult to ident...

Hormonal treatment can help control prostate cancer but may increase a man's risk of depression, a new study by Danish researchers suggests.

Male hormones, such as testosterone, are known to fuel the growth of prostate tumors. So doctors use drugs to reduce hormone production. But that can bring on tough side effects, such as incontinence or impotence.

The new study found ...

Having a twin brother could put a woman at a lasting disadvantage, and exposure to his testosterone before birth may play a role, a new study suggests.

Researchers analyzed data on 13,800 twin births in Norway between 1967 and 1978. Compared to women with a twin sister, those with a twin brother were 15 percent less likely to finish high school and nearly 4 percent less likely to com...

High testosterone levels can drastically increase a man's risk of heart failure and stroke-causing blood clots, a new study reports.

Men with a genetic predisposition to high testosterone levels have a nearly eightfold increased risk of heart failure and twice the risk of thromboembolism (blood clots that can block veins or arteries leading to the brain or lungs), researchers found.

Your long-term happiness in marriage may hinge on the genes you and your partner bring to the union.

A Yale University study suggests marital bliss could be influenced by a genetic variation that affects oxytocin, the so-called "love hormone" that is involved in social bonding.

"This study shows that how we feel in our close relationships is influenced by more than just our ...

Young children with autism are more than twice as likely to have sleep problems than typical kids or those with other developmental delays, a new study reports.

Several factors profoundly affect the sleep of 2- to 5-year-olds with autism spectrum disorder (ASD), said lead researcher Dr. Ann Reynolds. They are more likely to resist their bedtime, have trouble getting to sleep, suffer f...

Stress in the evening may take more of a toll on your body than stress at other times of day, a new study suggests.

The reason? Later in the day, the human body releases lower levels of the hormone that helps ease stress, according to researchers from Japan.

"Our study suggests a possible vulnerability to stress in the evening," said study leader Yujiro Yamanaka, a medical ...

Tamoxifen is considered a vital weapon in the fight against breast cancer, but many women who have to take the drug struggle with its significant side effects.

Now, new research shows that a lower dose of the hormone therapy helped prevent breast cancer from returning and guarded against new cancers in women who had high-risk breast tissue.

On top of that, the lower dose -- ...

Middle-aged people with higher-than-average levels of the "stress" hormone cortisol may have fuzzier memories, a new study suggests.

The study, of more than 2,000 adults, found those with relatively high cortisol levels in their blood tended to perform worse on memory tests.

They also showed less tissue volume in certain areas of the brain, versus people with average cortiso...

The U.S. Food and Drug Administration "jumped the gun" when it declared the chemical BPA safe for consumers earlier this year, experts from the Endocrine Society claimed Tuesday.

The FDA asserted in February that its "initial review supports our determination that currently authorized uses of BPA continue to be safe for consumers."

But the FDA made that statement without rev...

Age-related increases in estrogen may be the reason why inguinal hernias are common among older men, new research with rodents suggests.

Inguinal hernias occur when soft tissue -- often part of the intestines -- protrudes through a weak spot in the abdominal wall near the groin.

These hernias are the most common reason men undergo surgery. More than 700,000 inguinal hernia s...

The hormone prolactin -- most commonly associated with breastfeeding -- may play a role in reducing the risk of type 2 diabetes, a new study suggests.

Researchers found that women with the highest levels of the hormone, though still in the normal range, had a 27 percent reduced risk of developing type 2 diabetes compared to those with the lowest levels in the normal range.

Black women are more likely than white women to skip important hormonal breast cancer treatments, new research indicates.

Endocrine therapy is used to add, block or get rid of naturally occurring hormones like estrogen and progesterone that trigger certain types of breast cancer, the study authors explained. Previous studies have shown that 10 years of endocrine therapy reduces the od...

Two disorders that often occur together -- type 2 diabetes and high blood pressure -- may have a common link in a hormone called aldosterone, researchers suggest.

Aldosterone has already been implicated in the development of high blood pressure (hypertension). Now, a new study reports that people with higher levels of aldosterone had more than twice the odds of developing type 2 diabe...

New insight into why women get more migraines than men could lead to better treatments, researchers say.

The results of lab and animal experiments suggest changing levels of the female sex hormone estrogen make cells around a key nerve in the head and connected blood vessels more sensitive to migraine triggers. And that increases migraine risk.

The study was published Aug. 1...

Attention guys: Your tighty whities may not be doing your sperm any favors.

Men who wear tight-fitting briefs have sperm counts that suffer in comparison to men who wear boxers, according to results from the largest study to date on the controversial topic.

"Men who wore tighter underwear had lower sperm counts than men who wore the most loose underwear," said senior researc...

It all started when a 60-year-old bodybuilder ignored his doctor's advice to stop using hazardous anabolic steroids, prior to a weightlifting competition.

In addition, he was taking testosterone replacement treatments plus stem cell infusions, gotten illegally from his trainer.

The result: A stay in the intensive care unit of a Texas hospital because his heart started to mal...

Transwomen who undergo hormone therapy may face higher chances of blood clots, stroke and heart attack, a new study suggests.

The term transwoman refers to a woman who is designated male at birth. Some undergo hormone therapy to minimize their male characteristics and maximize female traits.

"While our study confirmed elevated risks of certain vascular events related to hor...

The "low-T" craze appears to be waning, with fewer men in the United States turning to testosterone therapy as a way to stave off aging and sexual decline.

A steep decrease in testosterone prescriptions occurred between 2013 and 2016, coinciding with public warnings that hormone therapy could increase men's risk of heart health issues and prostate cancer.

"We found that ther...

Working lots of overtime may get you appreciation from the boss, but it might be bad for your health.

New research suggests that women who clock 45 or more hours a week have a higher risk of type 2 diabetes than women who log 35 to 40 hours weekly.

The study authors aren't sure why extra work may boost diabetes risk, or why this link was only found in women. But they suspe...

Many women with migraines have headaches triggered by hormonal fluctuations. Now a small study hints that estrogen could play a role in men's migraines, too.

The study of 39 men found that those with migraines had higher estrogen levels, on average, than men who were migraine-free.

On the other hand, both groups of men had similar testosterone levels. For the migraine group,...

Men and women who survive thyroid cancer have a sharply increased risk for heart disease, a new study finds.

And researchers say males and overweight survivors are particularly at risk.

"Our study found that male thyroid cancer survivors have an almost 50 percent higher risk of developing cardiovascular disease than women, while thyroid cancer survivors with obesity have a ...

For members of an Indonesian group known as the Bajau, the ability to dive deeply for long periods of time appears to be in their genes.

Specifically, new research suggests their extraordinary breath-holding abilities may be due to genetically enlarged spleens.

For over 1,000 years, the Bajau people have traveled the Southeast Asian seas in houseboats and collected food by f...

Girls whose moms were overweight or had high blood sugar during pregnancy may be more likely to enter puberty early, a large new study suggests.

The Kaiser Permanente researchers said their findings could lead to new strategies to curb early puberty, which can have adverse long-term health effects for girls.

"We know that maternal weight can influence childhood weight. What ...