Three is a number with a lot of power: There are three dimensions (length, depth, width); three parts to time (past, present, future); we live on the third planet from the sun (Mercury, Venus, Earth).

But for you, the most powerful threesome is found in a trio of ways to roll back your age by 35 to 40 years by the time you're 85.

They're from 2015's three best medical articles on reversing aging, including increasing your grip strength; periodic calorie reduction; and eating plenty of DMB (3,3-dimethyl-1-butanol).

1. Grip strength. This factor may indicate your rate of aging better than your weight, LDL cholesterol level, or blood pressure. And improving grip strength can boost muscle tone, circulation, and heart strength.

2. Periodic calorie reduction. A short-burst diet plan — four or five days of 1,000 calories or less a month — seems to be a smart move for folks without chronic health problems (check with your doc). Researchers at the University of Southern California tested the diet strategy and found that after three months, people showed improvements in markers linked to a lower risk for cancer, diabetes, and heart disease.

3. Eat DMB. Extra-virgin olive oil contains DMB. It stops gut bacteria from turning chemicals in red meat and egg yolks into TMAO (trimethylamine N-oxide), a heart-clogging substance that ages you prematurely.

Follow this trio, and you'll be getting a younger by the day!