Health portal

Two DNA tests, two results: where the differences come from The essentials at a glance Two analyses of the same saliva sample can differ because four aspects are not standardized: which positions in the genetic material are measured, which reference...

Repeating a DNA test: when a second test is actually needed The essentials at a glance As a rule, no repeat test is needed. According to the Medical Informatics Initiative, a person's inherited genetic characteristics have remained “stable since the...

Understanding PCOS symptoms: which signs and blood values are relevant The essentials at a glance PCOS is almost never indicated by a single sign, but by a combination: a cycle that falls out of rhythm, increased body hair, acne or...

Pressure in the abdomen can have many possible causes. What the IQWiG figures show, when to see a doctor, and what a microbiome test result does not tell you.

Dysbiosis sounds like a diagnosis, but it isn’t. What the term describes, which factors alter the gut microbiome, and where the evidence ends.

Personalized nutrition based on DNA: what lies behind it The essentials at a glance Personalized nutrition means recommendations derived from your own data rather than from the average. DNA analysis is one of several ways to get there—it shows how...

Understanding water retention: where it comes from and when it matters The most important points at a glance In the evening, socks leave indentations, a ring is harder to remove from a finger, and the scales show two kilograms more...

Weight-loss meal plan after 50: what a good day looks like The key points at a glance A meal plan that worked at thirty can fall flat after fifty. Not because discipline has waned, but because the starting point has...

Losing weight without exercise: what is possible and what is not The essentials at a glance Yes, losing weight without exercise is possible because body weight is determined by energy balance, which is shaped primarily by what you eat. At...