Health

The U.S. will drop in rank from 43rd to 64th, the largest decline for a country defined as high-income.

High-fat dairy products might not be so bad after all.

The 'slippery' sheath could ease discomfort and even increase condom use.

Scientists gave nicotine to mice to see how it affected their offspring.

Researchers assessed over a dozen existing trials involving thousands of patients with the condition.

Researchers tried to discover why people with no family history of dementia developed the disease.

Researchers investigated whether receiving a vaccination against a cancer-causing virus spread during sex would change how young girls behave.

American lung cancer patients who had been traveling to Cuba to get medications have had to resort to extreme measures since Trump took office.

"Our aim is to fully comply with all FDA regulations, both in letter and spirit."

1.3 percent of children born in 2015 are unvaccinated.

Researchers mapped the brain with 400,000 virtual pyramids, arranged individually to mirror the folds and curves that make up the organ.

A mice study offers insight into how obesity could be inherited.

Neuroscientists wanted to understand what keeps parents going.

Those with an "agreeable" personality type were more likely to suffer financial woes, according to a study.

Millions of people in the U.S. have atrial fibrillation, which a study shows can lead to cognitive decline and dementia.

Unexpected side effect of dupilumab will now be investigated as a potential treatment for the hair-loss condition.

A person’s BMI score can give a skewed view of their health, experts believe.

Medication and psychological treatments are a vital first line of defense against mental illness - but lifestyle changes can help, too.

Newsweek has partnered with Statista Inc, the global market research and consumer data firm, to develop the first-ever ranking of the world’s best hospitals. For every reader who participates, Statista will make a donation to Médecins Sans Frontières, the international humanitarian organization that provides urgent medical relief to people in conflict and disaster zones. Thank you for taking part in this initiative.

Patients who followed an intermittent fasting plan for several months no longer needed to use insulin.

An estimated 4.2 million people worldwide die prematurely because of air pollution each year.

Typhus can cause serious complications requiring hospitalization.

Men with smaller than average penises found it harder to conceive, scientists discovered.

Losing 5 percent of body weight was associated with a 12 percent reduction in breast cancer risk in postmenopausal women.

The discovery could help the 50 percent of men who do not respond to current treatments.