Regular exercise improves the blood circulation to the scalp, which ensures an adequate supply of nutrients to the hair follicles. But over exercise can be bad for your health and hair too. To conclude, only a healthy body can support the growth of healthy hair.hen blood flow in the scalp area is less than the normal, it will not receive the essential nutrients required for healthy hair growth. This will ultimately result in various hair related problems. But when you exercise your stress level decreases, which stimulates hair growth.
Rating Newest Oldest. Best Answer: Bruising is basically blood under the skin, they sometimes turn yellow as the blood absorbs back into your body. s bruises heal, the body breaks down spilled blood cells and their hemoglobin.
1 So the first color you see may be a bluish purple color. 2  Purple Bruises. 3  Typically, over one to three days (depending in the severity of your injury), a bruise becomes more intensely purple and may even appear black. 4  This occurs as red blood cells break down and iron is released into the injured area.he presence of these chemicals causes your bruise to change color as it heals. 1  Green Bruises. 2  Youâll know your bruise is beginning to go away when you notice it turning green.