"When you have a question about the algorithm, I encourage you to replace the word 'algorithm' in your question with ...

Matthew Wosnitzer, MD, is a urologist specializing in male reproductive medicine and surgery at Yale New Haven Health System. Semen is a fluid that carries sperm out of the body during ejaculation.

Melatonin is a hormone made by the pineal gland, which is located in the middle of your brain. Melatonin encourages good, healthy sleep. Your melatonin levels naturally go up at night, a few hours ...

Vitamin B12 supports nerve health, red blood cell and DNA production, and typical brain function, and most adults need about 2.4 micrograms daily. The richest sources of vitamin B12 are animal ...

Polyphenols are plant compounds packed with antioxidants that may help support digestion, weight management, blood sugar regulation, and heart and brain health. Foods high in polyphenols include ...

B vitamins are water-soluble vitamins that are important for various bodily processes. They are found in many unprocessed foods and can also be taken as dietary supplements. Every day, your body needs ...

Objective To synthesise the evidence on the effects of physical activity on symptoms of depression, anxiety and psychological distress in adult populations. Design Umbrella review. Data sources Twelve ...