133 articles
A health check comes in seven types, from a free questionnaire to full lab analysis of your blood. We compare them on wh...
Your resting heart rate is one of the few heart signals you can measure for free. Learn what a high value can mean and w...
Cold feet, cramp while walking or tingling hands. Learn which causes sit behind poor circulation and which blood values...
An MTHFR variant is common and can lift your homocysteine. Learn what the mutation does and why genetic testing rarely a...
Homocysteine relates to cardiovascular risk, yet lowering it did not reduce that risk. Learn what the value does and doe...
A true vitamin C deficiency is rare but has not vanished. Learn what vitamin C does, how scurvy announces itself, and wh...
You need trace elements in milligrams, yet they drive hundreds of enzymes. Learn what zinc, selenium and copper do, and...
Low sodium is usually not about too little salt but too much water. Learn what your sodium value means, what causes hypo...
Narrowed blood vessels build up silently for years. Learn how narrowing forms, which complaints fit it, and which blood...
Your blood keeps calcium tightly on target, if need be at the expense of your bones. Learn what a normal value is, what...
Your potassium moves within a narrow band. Learn what a normal value is, what causes a shortage, and why a high result i...
Blood measures some minerals very well and others poorly. Learn which values really say something, which to take with a...