Anyone who’s lost a loved one to Alzheimer's disease may be worried about noticing symptoms in themselves. Alzheimer's takes a terrible toll. It’s the most common cause of dementia — abnormal brain ...

Photographing the deep sky at night can be a complicated business involving specialist knowledge, expensive and bulky equipment and a good deal of patience. DwarfLab's book-sized smart telescopes have ...

Mitochondrial disease refers to a group of conditions that affect how mitochondria work. While there is no cure for mitochondrial disease, supportive care can help prevent life threatening ...

The bridge hides more than shadows. Below it, the creek is crawling with invasive cichlids and mystery fish that scatter the moment you step close. You leave the trap down long enough for the place to ...

Nearly all adults carry Epstein–Barr virus—but new research reveals how it can hijack immune cells, sparking a chronic disease that attacks the body from within. This colorized transmission electron ...

If there’s one thing you don’t want to endure, it’s the symptoms of norovirus, which also goes by the unfortunately apt moniker of “winter vomiting disease:” It triggers brutal GI upset for roughly ...

Venous reflux disease (VRD) occurs when veins do not properly return blood to the heart. Health experts refer to it as chronic venous insufficiency (CVI). VRD most commonly affects the legs and can ...

Clubbed nails have a distinctive curvature and softness. This nail change can be harmless, but it may be a sign of lung or heart disease. Seeking medical care if your nails change shape or become ...

Wendy Wisner is a journalist and international board certified lactation consultant (IBCLC). She has written about all things pregnancy, maternal/child health, parenting, and general health and ...

Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.