Health Capsules

Sleep trackers and clinical sleep studies serve different purposes in understanding rest, fatigue, and possible sleep disorders. Readers will learn how consumer devices estimate patterns, how laboratory studies measure sleep and support diagnosis, and how to judge when self-tracking is sufficient versus when professional assessment is warranted.

Sleep disorders can present with warning signs such as gasping awake, acting out dreams, dangerous nighttime behavior, or symptoms that worsen when care is delayed. This guide helps patients recognize when sleep symptoms call for medical attention, understand the risks of postponing treatment, and weigh the evidence behind common interventions. Readers will be better prepared to discuss red flags, treatment options, and safety concerns with a clinician.

Egg advice has flipped so many times that most people no longer know what's safe. These approaches range from limiting eggs over cholesterol to blaming saturated fat instead, questioning the studies themselves, or judging eggs by the whole diet around them. Sorting the differences tells you how eggs fit your own heart health picture.

Artificial sweeteners are widely used in foods, drinks, and medicines, and their safety is assessed through toxicology, epidemiology, and regulatory review. This overview explains how agencies evaluate acceptable intake, why some studies raise concern, and how to distinguish credible evidence from alarm. Readers will be able to interpret sweetener safety claims with a clearer understanding of risk, uncertainty, and regulation.