CNN Health

It can be tempting to let a friendship fade instead of facing conflict, especially when life feels overwhelming in other ways. But the state of these key relationships can be vital to your health. Here's how to begin to heal hurt feelings.

Taking daytime naps may help maintain brain health as we age, according to a new study. However, prior research has shown that excess napping can also be harmful.

Doctors treated a bald alopecia areata patient with an arthritis drug -- and it gave him a head full of hair. Could this lead to a cure for baldness?

As many as 86 Atlanta-based workers for the Centers for Disease Control and Prevention may have been unintentionally exposed to anthrax, the agency says.

Need some weight loss inspiration? Felix Gussone lost 99 pounds with diet and exercise. Now he's ready to be a doctor.

A CDC lab leader has been reassigned pending the completion of the CDC's anthrax investigation, a spokesman says.

Isaiah Austin's dreams of playing in the NBA were extinguished by a rare genetic disease called Marfan syndrome. Learn the symptoms of Marfan syndrome.

Deep brain stimulation has been used to treat nervous system disorders. Now doctors are testing it on depression and OCD.

The Ebola virus outbreak in West Africa has hit "unprecedented" proportions, according to relief workers.

To combat fetal alcohol syndrome, researchers in Alaska will be installing free pregnancy test dispensers at bars.

Swimming is a fun activity to beat the heat, but it can quickly turn deadly for people of all ages if water safety tips aren't followed.

More adults are taking over-the-counter melatonin to get to sleep, a study found, despite potential harm to health and little proof of efficacy.

In a heartbreaking memoir, "Sushi Tuesdays," Charlotte Maya bears witness to her late husband's life, death and the aftermath with a singular purpose: to humanize the face of suicide and help readers develop a fluency in discussing mental health.

Oh the profanity! Swearing is a social no-no, but studies have shown that cursing can serve a useful place in our lives, especially when it comes to mind over matter.

Canada announced Wednesday it will require health warnings to be printed directly on every individual cigarette -- the first country in the world to do so.

People with type 2 diabetes should exercise in the afternoon instead of the morning to manage their blood sugar, a new study has found.

How human-biting mosquitoes track us isn't known, but it matters, since they carry diseases such as Zika, dengue, West Nile virus and malaria. Understanding how mosquitoes sniff us out so more effective repellents can be made could save up to half a million lives lost annually.

It's a long-held belief: Women lose interest in sex as they age. But over a fourth of women in midlife considered a healthy sex life important, a study found.

Five Texas residents became ill with suspected cases of fungal meningitis after traveling to Matamoros, Mexico, for surgery, according to the Texas Department of State Health Services. One person died, and four others are hospitalized.

An early sign of dementia in people is poor sleep, which can in turn hasten cognitive decline. The same applies to aging dogs, according to new research. The study is the first to use sleep lab techniques such as an electroencephalogram (EEG) on dogs.