In a 1-cup measuring cup, add 1 Tablespoon of fresh lemon juice. Top the lemon juice with skim, low fat or whole milk. Stir and let sit for two minutes. After two minutes, your milk is both acidic and curdled. If you need 2 cups of buttermilk, add 1 tablespoon plus 1 teaspoon of lemon juice or vinegar to the milk.
Larger broken bones, for example the bones in the thigh, or both bones of leg would take a great deal longer to heal, usually six weeks to three months in the average healthy adult. Begin physical therapy as soon as is practical. That will help.
Physical fatigue comes from doing physical activity. In the first months of recovery after a brain injury, you will tire far more easily than you used to. Physical stamina will return gradually; for most people, excess physical fatigue will cease after six months of recovery time. Mental fatigue may plague the TBI patient far longer than physical fatigue.