Fitness

What changes when you take 15 g of collagen, how it interacts with strength training and why the video links it to metabolic signaling.

Longevity research usually measures cardiorespiratory fitness, not direct VO2 max. Confusing them can push people to train the wrong metric.

What Laura Gian Gregorio explains about fractures, strength work, fall prevention, and practical training to protect bone with age.

Vigorous exercise, strength work, fiber, and micronutrients: Rhonda Patrick's main priorities for better energy, health, and longevity.

The science of visual attention to make exercise feel easier, improve motivation, and rely less on raw willpower.

Your waist tells you more than the scale about visceral fat. Here is how to measure it well and reduce it with exercise, protein, and sleep.

Elevated ALT, AST, or GGT after training does not always mean liver damage. Exercise context can completely change how a lab panel should be read.

How to use HIIT and low intensity movement to improve insulin sensitivity, time training better, and avoid common mistakes that raise stress.

The scale is the least interesting metric. Use functional goals, clarify intensity, and build daily movement to gain strength, health, and independence.

Learn how to estimate visceral fat using waist measurements and reduce it with whole foods, fiber, and exercise, even when body weight barely changes.

Valsalva is not the enemy. Used well it boosts performance and protects your spine. Learn how to manage pressure and exhale with control.

Your brain adapts through prediction errors, sleep, and steady fuel. Use novelty, movement, and real food to protect memory and focus.

Creatine has evidence, but it is not a hack. What to expect from 5 g per day, why megadosing is not worth it, and how to use it without marketing.

Turn exercise into a measurable prescription: minutes, intensity, strength progress, and VO2. Use benchmarks to adjust the plan when you are not improving.

Leucine can support strength and muscle function with age. Practical dosing with meals, what to track, and when it is unlikely to add value.