You may be able to prevent post-COVID vaccine soreness by moving your arm or using a cold compress. For other vaccine side effects, an over-the-counter (OTC) pain reliever may help. Mild side effects ...

After a concussion, people may experience loss of consciousness, disorientation, and nausea. Anyone with concussion should stop all strenuous activity and seek immediate medical help. When a person ...

After donating blood, a person may feel nauseous, lightheaded, or dizzy. People can usually return to most daily activities within a few hours of donating. Certain foods and drinks can help the body ...

Imagine feeling blah, but on steroids. Or unmotivated, but bigly. Feeling like nothing is enjoyable (and that nothing matters anyway) is a serious symptom called anhedonia. Here’s a quick primer on ...