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Common conditions · members guide

The conditions doctors treat most

by Joe Miller

What they are, the usual signs, how they're treated and which doctor handles them. Many have no symptoms at first, which is why checkups and screenings matter.

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What's inside

Key numbers from a checkupTestHealthyWatchHigh / treatA1C (3-month blood sugar)Under 5.7%5.7 to 6.4%: prediabetes6.5% or higher: diabetesFasting blood sugar70 to 99100 to 125: prediabetes126 or higher: diabetesLDL ("bad") cholesterolUnder 100130 to 159: borderline high160 or higher: highHDL ("good") cholesterol60 or higher: protectiveUnder 40 (men) / 50 (women): lowTriglyceridesUnder 150150 to 199: borderline200 or higher: highBMI18.5 to 24.925 to 29.9: overweight30 or higher: obesityUnits: blood sugar and cholesterol in mg/dL. Ranges vary a little by lab and by your health history.
Your checkup numbers.

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