- lean meats.
- Nuts and seeds.
Food is only one part of maintaining muscle. Regular physical activity, particularly appropriate resistance exercises, also plays an important role.
Choline and normal brain function
Egg yolks are a useful source of choline.
Choline is needed to produce acetylcholine, a chemical messenger involved in memory, muscle control, and other nervous system functions.
It also contributes to the structure of cell membranes and normal liver function.
The body can produce some choline, but it does not necessarily make enough to meet all its needs. Food therefore
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