Aldolase helps your body turn sugar into energy. Most of it is stored in your muscles and liver. When these cells are damaged, they release aldolase into your blood. Measuring the amount of aldolase ...

A nuclear stress test, also called myocardial perfusion imaging (MPI) or a thallium stress test, uses a radioactive tracer to show how blood flows through your heart muscles during exercise and at ...

Abnormal stress test results may suggest an underlying heart condition, such as coronary artery disease, or a blockage in the arteries supplying blood to the heart. Failing a stress test means you can ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...

At-home gut health tests use DNA or RNA sequencing from a stool sample. Testing your gut health cannot replace an official diagnosis from a doctor. Your results may provide insights into gut ...

Small-business owners who collect payments via check or money order need to concern themselves with the availability of funds and potential counterfeit fraud. In general, certified checks, cashier's ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

When considering whether to approve a business loan, lenders usually look at both personal and business credit scores. If you have bad credit— or just don't want a hard credit inquiry that could lower ...

Check Into Cash is a direct lender that has been in business since 1993. It offers four loan types, including online payday loans, in-store title loans and in-store cash advances. Check Into Cash also ...

Cashier's checks cost more, but let you send more money. Money orders are cheaper and easier to buy, especially if you don't have a checking account. Money orders and cashier’s checks can each be ...

Have a question for FactCheck? Ask us. Please also see our Ask SciCheck archives for questions answered by our SciCheck team. If you have a question about a social media post, we may have already ...