Breast feeding is better then bottle feeding because breast milk has more nutrition.
The talk test is a simple way to measure relative intensity. In general, if you're doing moderate-intensity activity you can talk, but not sing, during the activity. If you're doing vigorous-intensity activity, you will not be able to say more than a few words without pausing for a breath.
For example, people who have anorexia severely reduce their food intake to lose weight. People who have bulimia eat an excessive amount of food in a short period of time, then purge or use other methods to prevent weight gain.
The thyroid hormones—specific thyroxine (T4) and triiodothyronine (T3) hormones—from the thyroid gland.