Health & Longevity Series · Medical education

Metabolic health

Glucose, lipids, blood pressure and weight

3 min read

01Overview

What metabolic health means

Key takeaway for patientsMetabolic health is read from a handful of simple measures, not from the scale. Most of what shapes it, food, movement, sleep and waist, can be changed.

Metabolism is how the body turns food into energy and manages what it stores. Metabolic health describes how well that system is working: how the body handles blood sugar and fats, what blood pressure it runs at, and where it carries weight.

It is not the same as body weight. Two people of the same weight can have very different metabolic health, which is why physicians read several measures together. When several are out of range at once, the pattern is called metabolic syndrome, and it is linked with cardiovascular disease and type 2 diabetes.

02Key steps

Key steps in metabolic regulation

Insulin and blood glucose
After a meal, insulin moves glucose from the blood into muscle, liver and fat.
Lipid transport
The liver packages fats as lipoproteins; triglycerides and HDL cholesterol reflect how that is going.
Blood pressure regulation
The vessels, the kidneys and the nervous system together set the pressure in the arteries.
Fat storage
Fat kept under the skin is a buffer; fat around the organs is metabolically active.
03Factors in decline

Factors that impair metabolic health

The main influences are everyday ones:

Visceral adiposity
Fat around the organs drives insulin resistance and inflammation.
Physical inactivity
Muscle that is not used takes up less glucose.
Poor sleep and chronic stress
Raise cortisol and appetite, and blunt the response to insulin.
Diet and aging
Diets high in refined carbohydrate, and the gradual loss of muscle with age.
04Clinical management

Clinical management and physician guidance

Metabolic health is assessed with a few standard measurements.

Biomarker screening
Waist circumference, blood pressure, fasting glucose or HbA1c, triglycerides and HDL cholesterol.
Physician-guided lifestyle and care
Nutrition, activity, sleep and weight; anything further is your physician’s decision.
Monitoring and follow-up
Symptoms and markers are reviewed over time, and the plan is adjusted to them.
05Research focus

Research focus in metabolic health

Core focus area Biological target Clinical relevance
Insulin resistance Insulin signaling in muscle and liverBlood glucose and the risk of type 2 diabetes
Lipid metabolism Lipoprotein production in the liverTriglycerides and HDL cholesterol
Adipose tissue Visceral fat and its signaling proteinsInflammation and insulin sensitivity
Blood pressure Vascular tone and the kidneyCardiovascular risk
06Questions

Frequently asked questions

Can I be metabolically unhealthy at a normal weight?
Yes. Weight alone does not show where fat is carried or how the body handles sugar and fats.
Which tests show metabolic health?
Waist circumference, blood pressure, glucose or HbA1c, and a lipid profile.
Can metabolic health improve?
In studies, activity, diet, sleep and a smaller waist are associated with better markers; your physician can advise on your own situation.
07References

Academic references and literature

  1. Alberti KG et al. (2009). Harmonizing the metabolic syndrome: a joint interim statement of the International Diabetes Federation Task Force on Epidemiology and Prevention; National Heart, Lung, and Blood Institute; American Heart Association; World Heart Federation; International Atherosclerosis Society; and International Association for the Study of Obesity. Circulation, 120(16), 1640-5. PMID 19805654.
  2. Samuel VT, Shulman GI (2016). The pathogenesis of insulin resistance: integrating signaling pathways and substrate flux. J Clin Invest, 126(1), 12-22. PMID 26727229.
  3. Eckel RH, Grundy SM, Zimmet PZ (2005). The metabolic syndrome. Lancet, 365(9468), 1415-28. PMID 15836891.