Guides & Articles (61 total)

Supporting guides and in-depth articles: side effects, comparisons, and how-to content that goes deeper than the main product reviews.

Diet and Cholesterol: Which Changes Actually Move LDL

Dietary cholesterol turned out to matter less than assumed, and other changes matter more. Here is what actually moves LDL, and by roughly…

Read Article

A prescription that keeps getting stronger is not a sign that glasses weakened your eyes. Here is what actually drives the change, and…

Read Article

Enamel contains no living cells, which means erosion is permanent. Early demineralization is a different matter, and the distinction…

Read Article

Everyone wakes several times a night. The difference between good and bad sleep is not waking, it is what happens in the ten minutes…

Read Article

Regular coffee drinkers are often not getting a lift so much as avoiding a deficit. Here is what tolerance does, how fast it develops, and…

Read Article

Observational research linked certain diets to slower cognitive decline. Then the randomized trials arrived, and the results were more…

Read Article

Floaters are usually a harmless part of eye aging, and a sudden shower of them can be the first sign of a retinal tear. The distinction is…

Read Article

Undermining your own goals looks irrational from outside. From inside it is usually protective, and understanding what it protects is where…

Read Article

The observation that ideas arrive away from the desk is old and reasonably well studied. Here is what the research on incubation, walking…

Read Article