Continuous glucose monitors are increasingly marketed to people without diabetes as tools for personalized nutrition and metabolic health. They can reveal glucose patterns and may encourage behavior change, especially in people at higher metabolic risk. But for healthy adults, evidence that CGMs improve long-term health remains limited.
Practical Health Science Editorial Team
9 min read
Sep 3, 2026
Creatine may improve certain aspects of memory and cognitive performance, particularly when the brain is under metabolic stress. But evidence in healthy, well-rested adults remains inconsistent, and creatine is not yet a proven general cognitive enhancer.
Practical Health Science Editorial Team
8 min read
Sep 3, 2026
Seed oils such as canola, soybean, corn, and sunflower oil are often described as inflammatory or toxic. But randomized trials and large observational studies do not support many of the strongest claims. The real uncertainties involve food context, repeated high heat cooking, and what these oils replace in the diet.
Practical Health Science Editorial Team
8 min read
Sep 2, 2026
Magnesium may modestly improve some sleep symptoms in some people, but the overall evidence remains inconsistent and low-certainty. Here is what the latest randomized trials and systematic reviews actually show.
Practical Health Science Editorial Team
7 min read
Sep 2, 2026
People who are more physically active have a lower risk of several cancers, including breast, colon, endometrial, kidney, and bladder cancer. Exercise may help through multiple biological pathways, but it cannot eliminate cancer risk.
Practical Health Science Editorial Team
6 min read
Sep 2, 2026
Collagen supplements are not useless but they are also not a universal anti-aging solution. Evidence is most promising for some joint and tendon outcomes, while benefits for skin are less certain than marketing often suggests.
Practical Health Science Editorial Team
7 min read
Sep 2, 2026
Inflammation is a normal immune response to injury, infection, and cellular stress. Acute inflammation helps protect and repair tissues, while persistent low grade inflammation can contribute to chronic disease.
Practical Health Science Editorial Team
6 min read
Sep 1, 2026
Intermittent fasting is an effective weight-loss strategy, but most research does not show a major advantage over conventional calorie restriction. The best approach may be the one you can actually maintain.
Practical Health Science Editorial Team
7 min read
Sep 1, 2026
Walking after a meal can reduce the short-term rise in blood glucose, especially compared with remaining seated. The effect is real, although its long-term importance depends on your overall activity and metabolic health.
Practical Health Science Editorial Team
6 min read
Sep 1, 2026
Zone 2 cardio can improve aerobic fitness and makes it easier to accumulate substantial exercise volume. But research does not show that Zone 2 is uniquely superior to other exercise intensities for longevity.
Practical Health Science Editorial Team
6 min read
Sep 1, 2026
Insulin resistance happens when tissues such as muscle, liver, and fat respond less effectively to insulin. Blood sugar may remain normal for years while the pancreas compensates by producing more insulin.
Practical Health Science Editorial Team
6 min read
Sep 1, 2026
GLP-1 weight-loss drugs can reduce lean mass along with fat. But most of the weight lost is fat, and current evidence does not show that lean-mass loss automatically translates into muscle weakness or pathological muscle wasting.
Practical Health Science Editorial Team
6 min read
Aug 31, 2026
