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).
For any year after 2000, your age on your birthday in that year will be 10 more than the last two digits of the year. Example: on your birthday in 2014, you will be 24. On any date prior to your birthday in a given year, your age will be one year less.