CONDITION GUIDES
Metabolic conditions, explained by a physician
Clear, referenced guides to obesity, prediabetes, diabetes, fatty liver and metabolic heart risk: what’s happening, how it’s diagnosed and the treatments with the strongest evidence.
Written and reviewed by Farhan Tahir, MD
3 GUIDES
Weight & obesity
Weight & obesity
Obesity
A chronic disease of excess body fat. The 2025 Lancet Commission separates obesity that is already harming the body from obesity that raises future risk.
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Weight & obesity
Sarcopenic obesity
Too little muscle alongside too much fat, a combination that worsens strength, metabolism and independence.
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Weight & obesity
PCOS: the metabolic side
Insulin resistance drives much of PCOS. Treating it improves cycles, fertility and long-term health.
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4 GUIDES
Blood sugar & liver
Blood sugar & liver
Prediabetes & insulin resistance
Blood sugar above normal but below diabetes. The best window to prevent type 2 diabetes.
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Blood sugar & liver
Type 2 diabetes
Chronically high blood sugar from insulin resistance and failing insulin secretion. Modern medicines protect heart, kidneys and weight.
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Blood sugar & liver
Fatty liver disease (MASLD and MASH)
Fat in the liver driven by metabolic risk. Common, silent and now treatable when inflammation and scarring develop.
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Blood sugar & liver
Metabolic syndrome
A cluster of waist size, blood pressure, glucose and lipid changes that together raise heart and diabetes risk.
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