Thyroid level tests, including thyroid-stimulating hormone (TSH) and free T4, help diagnose underactive or overactive thyroid. Doctors may also check free T3, calcitonin, thyroglobulin, or thyroid ...

Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...

In autoimmune thyroid disease, we must look at immune system regulation, inflammation, and underlying triggers, not ...

The most influential names this year aren’t simply offering strategies — they’re reshaping how individuals think, heal, earn, lead, and evolve in a rapidly changing world.

Large language models struggle to solve research-level math questions. It takes a human to assess just how poorly they perform.

You may have noticed a plethora of reels and posts on social media claiming cortisol “spikes” are harmful. Some warn against drinking coffee on an empty stomach or even doing certain exercises lest ...

The Federal Reserve’s decision on whether to cut interest rates again depends heavily on the uncertain “neutral rate,” the level at which policy neither slows nor stimulates the economy. With rates ...

There are no official numbers for the optimal levels of testosterone, but certain medical laboratories use the following reference values for typical total serum testosterone, measured in nanograms ...

Use of race-based reference equations in pulmonary function testing has led to thresholds for what qualifies as impairment in populations.

State volcanologists have lowered Bulusan Volcano’s alert status from Level 1 (low-level unrest) to Level 0 (normal) on Friday, Feb. 6, 2026, after monitoring data showed a continued decline in ...

The way we shop, do our banking, watch TV and listen to music is unrecognisable from 30 years ago – yet as a doctor, the way I do tests, treat patients and predict their outcomes is stuck in the 1990s ...

Researchers at University of California San Diego School of Medicine have developed a new, easy-to-use blood test score that ...