Niacinamide can improve the overall texture of hair, leaving it smoother, shinier and more manageable for you. Niacinamide is generally well-tolerated, and side effects are rare, says Dr Bambroo.

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Vaccine side effects like soreness, fever, and fatigue scare some people out of getting their shots. Ask a doctor, though, and they’ll tell you these unpleasant symptoms have a silver lining ...

Benadryl can cause certain side effects, some of which are more common than others. These side effects may be temporary, lasting a few days to weeks. However, if the side effects last longer than ...

Dr. Chung describes niacinamide as a workhorse: it's anti-inflammatory, contains antioxidants, and helps even out discoloration. Dr. Mitchell recommends applying niacinamide after your vitamin C ...

Tuberculosis (TB) medication can cause short-term side effects, such as loss of appetite, fever, and fatigue. Long-term side effects can include lung dysfunction and issues with the digestive system.