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Compartment syndrome can develop at injection sites in leg muscles, causing numbness, blood clots and muscle spasms that result in permanent loss of function

In this guide, we explain what these peptides are, what the science says so far, the risks you should know about, and what changed with the FDA in 2026

Conditions like pernicious anemia, gastrointestinal disorders, and certain surgeries can impair B12 absorption, requiring specific interventions

The seasonal temperature gradient is projected to further increase under both a lower (SSP2-4.5) and higher (SSP5-8.5) emissions scenario, with an ensemble mean change of 0.39 (66% of simulations show an increase) and 0.46 (63% of simulations show an increase) by the end of the 21st century, respectively (Fig