Health Capsules

Salt and health guidelines depend on how sodium intake is measured, how individual biology affects salt sensitivity, and how population policies translate evidence into recommendations. Readers will understand the main sources of disagreement behind sodium targets, including measurement uncertainty, genetic variation, and the record of public health interventions.

For women weighing hormone therapy, the stakes are relief from menopause symptoms against feared risks of breast cancer and heart disease. The views split over whether the original risk data was exaggerated, how much the timing of treatment matters, and whether low-dose vaginal estrogen is safer than its warnings suggest. Sort the evidence from the alarm and decide with your doctor what fits your health.

Sun gives you vitamin D and may lower mortality, yet it also drives skin cancer, and the advice you hear rarely holds both truths. These views differ on the benefits of moderate sun, the limits of the studies, and how to warn people without stoking fear. Read them to set a sun habit you can actually trust.

BMI mislabels healthy people, fuels body image problems, and steers health policy in the wrong direction. The case here is that waist circumference and waist-to-height ratio predict real risks like heart disease and diabetes far better, because belly fat matters more than total weight. Measuring your waist instead gives you and your doctor a more honest, less stigmatizing read on your health.

Longevity medicine offers varied guidelines on exercise intensity, supplement timing, medical screening, and cold exposure. These guidelines differ on how to balance rigorous research with practical daily actions, when to intervene medically, and how to safely apply cold therapies. Understanding these differences helps you choose personalized strategies for healthspan and lifespan optimization.