Being physically strong it’s paramount for a healthy living. Keeping or improving muscle mass and avoiding sarcopenia has a strong influence on length and quality of life, but it’s quite common to start losing muscle and gain fat after 40, even with an active life.The solution? Easy: eat more protein (and possibly lift weights). The ideal amount of protein in a healthy diet should be in the range of 1.5 to 2 grams per kilo of lean body mass per day, and that means for a 80 kg man approximately 150 g of proteins.

That translates in 700 grams of meat per day, but it’s not just meat: eggs, dairy or even protein shakes can help reaching the proper amount, while vegetable proteins have little biologic value for human beings because of their lack of essential amino acids.

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