The A.V. Club is Paste Magazine‘s source for TV and film coverage. The best films of 2025 emerged from a landscape as politically volatile and competitively lopsided as the darkest days in Hollywood ...

Calcium signalling is activated by calcium ions that are released from intracellular stores, or enter the cell via plasma membrane ion channels. Calcium is an important second messenger that regulates ...

Consult a doctor before you take calcium and vitamin D supplements together. The safest daily intake is 2,500 milligrams of calcium and 100 micrograms of vitamin D. Your body best absorbs vitamin D ...

Many aspects of neuronal function are regulated by changes in the concentration of intracellular free Ca 2+. To fully understand how this occurs, an appreciation is needed of how changes in the ...

Anthea Levi is a registered dietitian (RD) and reporter with more than 6 years of experience writing for major health outlets including Health magazine, BuzzFeed, Eat This, Not That!, and Livestrong.