Dietary fats are important because they are the ones that produce  energy for the body. Fats should be monitored since excessive fats  can be risky for your health.
Age last birthday: One method of insurance rating which rates people a their age as of their last birthday, with such rating held until the next birthday. If your policy is approved at your current age (prior to your next birthday), you will be rated at your current age (as opposed to age nearest birthday).
Definition of age. 1  1a : the time of life at which some particular qualification, power, or capacity arises or rests the voting age is 18; specifically : majorityb : one of the stages of lifec : the length of an existence extending from the beginning to any given time a boy 10 years of aged : lifetimee : an advanced stage of life.