For example, some ingredients may be safe in products such as cleansers that we wash off the skin immediately, but not in products that we leave on the skin for hours. Similarly, ingredients that are safe for use on the hair or nails may be unsafe when used on the skin or near the eyes.
Carbohydrates are the main energy source for the brain. Without carbohydrates, the body could not function properly. Sources include fruits, breads and grains, starchy vegetables and sugars. Make at least half of the grains you consume whole grains.
Carbohydrates are the primary source of cellular energy for most organisms. Glucose is the most. commonly used carbohydrate and will always be used first. Fatty acids will be used second. when glucose is in short supply, and then more rarely amino acids can be utilized.