Arousal fluctuates continuously during wakefulness, yet how these moment-to-moment variations shape large-scale functional connectivity (FC) remains unclear. Here, we combined 7T fMRI with concurrent ...

Data Normalization vs. Standardization is one of the most foundational yet often misunderstood topics in machine learning and ...

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 ...

If you want an indication of Maynard James Keenan’s disillusionment with the state of the world, you need only look at the evolution of the characters he most readily associates himself with. Back in ...

Thyroid-stimulating hormone (TSH) helps control how much thyroid hormone your thyroid makes. High TSH usually means hypothyroidism, while low TSH points to hyperthyroidism. A typical adult TSH target ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Potassium is a nutrient in food that helps your body run smoothly. Too much potassium in your body can cause health problems, but a simple blood test can measure your levels. Potassium plays a role in ...

401(k) contributions increase in 2025 and 2026, aiding longer-term savings growth. Qualified distributions from a 401(k) start at age 59 1/2 or separation after age 55. Early 401(k) withdrawals incur ...