Browse evidence-based analysis of health-related claims and assertions
Dietary intake of saturated fatty acids increases circulating levels of low-density lipoprotein (LDL) cholesterol in humans through upregulation of hepatic cholesterol synthesis and reduced LDL receptor expression.
Assertion
Elevated low-density lipoprotein (LDL) cholesterol levels directly promote atherosclerotic plaque formation, increasing the risk of cardiovascular events.
Taking statins long-term may make the body less responsive to insulin, because the liver keeps making too much sugar thanks to a cellular cleanup process.
Descriptive
When key genes needed for cellular cleanup are turned off, statins can’t make the liver produce extra sugar anymore.
In mice that are overweight and have insulin problems, statins make their livers more active in making sugar, which worsens high blood sugar and insulin resistance.
Statins seem to trigger a cellular cleanup process in the liver that accidentally makes the liver produce more sugar.
Taking statins for a long time may cause the liver to make more sugar, which can raise blood sugar levels.
People with heart disease who have higher levels of both triglycerides and blood sugar are about 30% more likely to have a heart attack than those with lower levels, even after accounting for other health factors.
Correlational
If someone with heart disease has their bad cholesterol (LDL) well controlled under 100, then their triglyceride and sugar levels (TyG) don’t seem to add much extra risk for heart problems.
People with heart disease who have higher levels of triglycerides and blood sugar together are a bit more likely to have another serious heart problem, like a heart attack or stroke, than those with lower levels.
High blood sugar in diabetes turns on harmful inflammation pathways in the body — damaging blood vessels, kidneys, and the heart — by creating toxic molecules and activating immune switches like NF-κB and NLRP3.
Mechanistic
A new drug called finerenone cuts the risk of kidney failure and heart problems by about 15–20% in diabetics with early kidney damage — likely by reducing inflammation and scarring in the kidneys and blood vessels.
Causal
Diabetes drugs like semaglutide and liraglutide cut heart attacks, strokes, and kidney failure by up to a third — and they work fast, even before blood sugar drops, likely by calming down harmful inflammation in the body.
A class of diabetes drugs (SGLT2 inhibitors) cuts hospitalizations for heart failure by a third and lowers death risk by nearly 40% — even before blood sugar improves — suggesting they protect the heart in ways beyond lowering sugar.
A cheap, old drug called colchicine — taken as a tiny daily pill — cuts heart attacks and strokes by up to 31% in people with heart disease, by calming down a key inflammation switch in the body.
A drug that blocks a specific inflammation protein (IL-1β) lowered heart attacks and strokes by 15% in people who already had a heart attack and had high inflammation — even if their cholesterol was under control.
Even when diabetics take pills to lower their bad cholesterol, if they still have high levels of a blood marker called hsCRP, they’re still at high risk for heart attacks and strokes — meaning inflammation is still hurting them.
Atorvastatin helps the support cells (pericytes) wrap around new blood vessels in plaques more tightly, making them stronger and less likely to leak.
Quantitative
Atorvastatin helps keep the glue between blood vessel cells tight by stopping a chemical signal that makes the glue fall apart, which helps stop leaks in artery plaques.
Atorvastatin blocks a signal (ANGPT2) that makes blood vessels leaky, helping them stay strong and sealed by turning on a repair signal (Tie2) in the vessel lining.
Atorvastatin helps make the new blood vessels inside artery plaques less leaky by helping support cells stick better and sealing gaps between vessel lining cells, which may stop bleeding inside the plaque.
A common cholesterol drug called atorvastatin can reduce the growth of leaky new blood vessels inside artery plaques, even when it doesn’t lower cholesterol much—this might help prevent plaques from bursting.
Statins seem to calm artery inflammation quickly, no matter how long you take them or how inflamed you were at the start — and it doesn’t seem to be tied to the usual blood inflammation test (CRP).
A special scan that tracks sugar use in artery walls can reliably show whether inflammation is going down — and it works in different parts of the body’s arteries.