Chalk is a fine-textured form of limestone. It is composed of several tiny fragments of the calcite shells or skeletons of ...

In chemistry, the chemical nomenclature of ionic and molecular compounds uses a systematic approach of prefixes to indicate ...

A new model rectifies the long-standing deficiencies of the electronegativity concept.

Looking for the best protein powder? Our guide highlights the top picks for weight loss, women, budget, and more, tested and ...

Using vitamin C serum the right way makes all the difference. Apply it on clean, dry skin, use only 3 to 4 drops, and always ...

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.

Hyponatremia is characterized by an abnormally low sodium level in the blood. Symptoms can vary, but may include weakness, fatigue, headaches, nausea, and more. Sodium is an essential electrolyte that ...

Excessively high or excessively low serum sodium levels can have severe neurologic sequelae if left untreated, or, conversely, if treated inappropriately. Consecutive patients aged >14 years who had ...

Sodium channels are ion channels that transport sodium ions across cellular membranes. Sodium channels are generally either ligand-gated or voltage-gated. In voltage-gated sodium channels, as in other ...

Sodium bicarbonate is an antacid medication that may help treat metabolic acidosis in people with kidney disease. If a person has kidney disease, it may cause them to develop metabolic acidosis. This ...

Valerie is a seasoned writer and editor who has spent her career creating content in the parenting and women's wellness spaces. Before joining Forbes Health, Valerie was the trending news editor at ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...