'It's a very unique biological specimen': What menstrual blood can reveal about your health

From endometriosis and cervical cancer, to diabetes, vitamin D deficiency and pollution exposure, scientists are finding ...

This Blood Test May Be Able to Tell You If—And When—You'll Develop Alzheimer's

New research suggests that an existing blood test may help to determine when someone is likely to develop Alzheimer's disease ...

What high blood pressure does to your body

Hypertension can affect your mind, heart, eyes and more, often without causing any obvious symptoms at all.

The Moon Turned Blood Red During a Total Lunar Eclipse

Lunar eclipses occur when our planet slides between the sun and moon, which temporarily prevents the sun’s light from falling ...

10 Daily Habits That May Cause Blood Sugar Spikes

Habits that spike blood sugar include drinking sugary beverages and not getting enough sleep. Stress and dehydration can also ...

Greyhound rare blood donations save dozens of dogs

Each year more than 3,500 units of blood are collected from canine donors to be sent across the country to treat dogs in urgent need. One of the animal heroes supporting this network is retired ...