Strength training can help with mobility later in life, improve cardiovascular health, and increase your lifespan - Getty If you’re looking to pack on the muscle to transform your physique and health, ...

If you want to gain weight quickly, eat an additional 500 calories a day. To gain weight, eat high-calorie, yet nutritious foods like nuts, raisins, and peanut butter. If you are gaining weight, add ...

Plus, how to get the most of your walking workout.

Whether you want to achieve or avoid a muscular look, you should know how muscle changes your body for the better. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a ...

From a quick scroll, you’ll see that numbered methods are ubiquitous across news and social feeds. With the 2-2-2, 5/3/1 and the 4-2-1, it can feel like fitness has taken a Rain Man-esque turn. One ...

Eating just 5 percent more calories daily can do the trick.

Trying to gain weight often sounds simple: just eat more. But the first week is where many people get frustrated, uncomfortable, or give up entirely. That’s because weight gain, especially healthy ...

If you're looking to gain muscle mass, a quick web search will tell you to "bulk" on a high-calorie, high-protein diet, progressively challenge yourself with heavier weights and rest in between ...