On February 7, 1984, NASA astronaut Bruce McCandless became the first person to go on a spacewalk without a tether.

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“They increase the quality of the muscle you build as opposed to just the size of the actual muscle.” ...

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Water supports major body functions like temperature control, saliva production, joint cushioning, digestion, and waste removal through sweat, urine, and bowel movements. Most people meet hydration ...

It’s hard to overstate the importance of avoiding dehydration. After all, water is involved in almost all of your body’s processes — including digestion, breathing, sweating, and brain function, per ...

An ad hoc committee will assess the human requirements for energy intake and expenditure. The review will consider age, sex, body size, body composition, level of physical activity, and race/ethnicity ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

The Institute of Medicine, through its Food and Nutrition Board (FNB), as part of the continuing activity to develop Dietary Reference Intakes (DRIs) for nutrients, undertook an 18-month study to ...

The chart represents the caloric breakdown of the average person’s daily consumption. Swipe through the timeline to see how the source and distribution of calories has changed over the last fifty ...

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Weight management involves strategies to achieve and maintain a healthy body weight. Both having obesity or being underweight can have profound effects on health and contribute to sometimes ...