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).
Social Security follows common law in that a person attains an age on the day before the anniversary of his or her date of birth. A person born on November 1, 2011 attained age 1 on October 31, 2012. People born on the 1st or 2nd of the month are considered to be 62 for their entire birth month.