Melatonin is a hormone in the brain that maintains your body's circadian rhythm, and therefore, regulates sleep. Taking melatonin supplements can help increase the amount of this hormone in the body.

Salmon sperm facials are a buzzy new K-beauty treatment with supposed anti-aging effects. Dermatologists explain the trend ...

Wernicke-Korsakoff syndrome causes memory changes and other neurological symptoms. Learn why it’s underdiagnosed and more ...

Breast tenderness and other symptoms of puberty may precede menarche (the first period). Learn how to sense when her period ...

You can soothe a sore throat with popsicles, hot water, throat sprays, and over-the-counter medicines. Find a complete list of options here.

Athlete's foot, or tinea pedis, is a fungal skin infection that may feel painful or burn. Here's how to find relief with OTC ...

Some blood pressure medications are not the best choice anymore, either due to their side effects or limited effectiveness.

Pulmonary arterial hypertension is caused by narrowing of the blood vessels in the lungs. Learn how it happens, including ...

Hormonal acne can appear in adolescents and adults. There are multiple contributing factors, especially excess androgens. Learn how to control it.

Research shows weight loss surgery can help reduce the risk of severe liver problems for some patients with MASH.

Bad breath (medically known as halitosis) is a symptom of gastrointestinal (GI) conditions, such as acid reflux and ulcers.

Some viewers are concerned about the risk of skin irritation from Meghan Markle's Epsom salt recipe. Here's what ...