Working at night may interfere with DNA repair
A new study explores the effect of night shifts on melatonin levels and DNA repair, as indicated by a chemical byproduct excreted in urine.
Why does light keep us awake and darkness make us sleepy?
New research investigates the effect of a light-responsive protein on regulating sleep and wakefulness patterns in zebrafish, our fellow diurnal animals.
Sarcoidosis: Causes, symptoms, and treatment
Sarcoidosis is a chronic inflammatory condition which causes persistent granulomas. It can affect any organ, but most often affects the lungs.
Ischemic stroke: Causes, symptoms, and risk factors
An ischemic stroke is caused by a blood clot or plaque buildup. Strokes have several signs that can alert someone to the need for emergency care.
Are current exercise guidelines too demanding?
Fitting in the recommended amount of exercise is a challenge in our busy lives. Are there health benefits associated with doing less exercise? We find out.
Could an epilepsy drug help to slow Alzheimer's?
A drug used to reduce seizures has been found to normalize brain wave frequencies in patients with Alzheimer's. Could this drug help to slow the disease?
Early menopause: Eating vegetable protein tied to lower risk
New research finds that eating three to four daily servings of foods rich in vegetable proteins is linked to a lower incidence of early menopause in women.
Contact dermatitis: Triggers and treatment
The unpleasant itching of contact dermatitis may be experienced by everyone once in their lifetime, but what is it? How can it be treated?
What is hematopoietic stem cell transplantation?
Hematopoietic stem cell transplantation is approved for use in treating some types of cancer and is an experimental treatment for autoimmune diseases.
Study shows how pheromones drive sexual behavior
A new mouse study investigates the effect of pheromones in male and female mice, revealing different brain circuits and various behavioral responses.
Iron deficiency anemia: Causes, symptoms, and management
In this article, learn about anemia and what causes iron deficiency. What are risk factors for developing iron deficiency anemia and how is it diagnosed?
Marriage, fatherhood may cause men to gain weight
Being married or becoming a father may cause men to gain weight, new research finds. Getting a divorce, however, may lead to weight loss.
The top five social media tools for physicians
Using social media allows doctors to connect with colleagues and patients. We show you which platforms are best and how to get started.
Chemical burns: Symptoms, diagnosis, and treatment
Chemical burns can happen to anyone and anywhere, but what are the common causes? Who is at risk and when should a person seek medical care?
Valerian root for insomnia and anxiety: Does it work?
Valerian root is considered to be safe and may be a gentler alternative to synthetic drugs for relief from anxiety and sleeplessness. Learn more.
Bed bug bites: Pictures, treatment, and prevention
Bed bugs are small, parasitic insects that feed on human blood. While they don't carry disease, they may stop you from getting a good night's sleep.
A partner's touch relieves pain, study shows
Dermatomyositis: Symptoms, causes, and treatment
Pictures of cute animals may boost marital satisfaction
Histoplasmosis: Causes, risk factors, and treatment
Tailbone pain: Causes, diagnosis, and relief
Corpus callosum: Function and disorders
Gardening this weekend? Beware of the compost
Children of older fathers likely to be 'geeks'
Vitamin D deficiency: Symptoms, causes, and prevention
Plant fats alter gut bacteria to ease Crohn's symptoms
Nine effective home remedies for earache
Type 1 diabetes: Almost half of patients produce insulin
Does sex help older brains to work better?
Ten best home remedies for poison ivy
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