There is a very reasonable way to approach weight lifting with free weights: Start with the empty bar. The sport of weight lifting, most importantly with free weights (which I wholeheartedly suggest ...

According to this source, protein powders come in various forms. The three common ones are whey, soy, and casein protein. Whey is the liquid remaining after milk has been curdled and strained (...

With numbers: It takes 1J to heat a g of water by about 0.24K. Hence, heating 330ml of colored+sugared water from 7°C (fridge) to 37°C (body temperature): 330 * 30 / 0.24 = 41250 J = 9852 cal = 9.8 ...

That is a complex question with no simple answer. You might even feel stronger after a short break. But in general, I would do some earnest thinking after missing two weeks straight, or if I would ...