Health

Q&A: What are seborrheic keratoses?

Dear Mayo Clinic: I have brown spots over the top half of my body, which my doctor says are seborrheic keratoses and are harmless. What causes them, and is there a way to prevent more from appearing?

Diseases, Conditions, Syndromes

What works best against varicose veins?

More than 40 million Americans suffer from varicose veins, which can be both unsightly and painful, but the best way to get rid of them hasn't been clear.

Oncology & Cancer

Laser light detects tumors

Cancer—this diagnosis affects almost every second German at some point in their life. It is the second most frequent cause of death in Germany. But the earlier the disease is diagnosed, the greater are the chances of surviving ...

Neuroscience

What's the right amount of 'zapping' in epilepsy laser surgery?

There is an estimated 2.4 million people diagnosed with epilepsy each year, according to the World Health Organization. Some types of epileptic seizure can be essentially cured by open surgery for patients who don't respond ...

Neuroscience

Blood flow command centre discovered in the brain

A team of scientists from Australia, France, New Zealand and the UK has discovered a group of brain cells that function as a 'master-controller' for the cardiovascular system by orchestrating the control of blood flow to ...

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