Diseases, Conditions, Syndromes

Excess dietary zinc worsens C. diff infection

Too much dietary zinc increases susceptibility to infection by Clostridium difficile – "C. diff" – the most common cause of hospital-acquired infections.

Health

What are antioxidants? And are they truly good for us?

Antioxidants seem to be everywhere; in superfoods and skincare, even chocolate and red wine. Products that contain antioxidants are marketed as essential for good health, with promises to fight disease and reverse ageing.

Medications

FDA panel narrowly sides against experimental ALS drug

Federal health advisers on Wednesday narrowly ruled against an experimental drug for the debilitating illness known as Lou Gehrig's disease, a potential setback for patient groups who have lobbied for the medication's approval.

Health

Melatonin may help you sleep

Dear Mayo Clinic: Can melatonin supplements help insomnia? What are the side effects of melatonin supplements?

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