Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over 35 years of diverse ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

Enzymes help with specific functions that are vital to the operation and overall health of the human body. They help speed up chemical reactions and are essential for respiration, digestion, muscle ...

Organelles are entities within a eukaryotic cell that have a specialised function. Examples of organelles include the nucleus, the endoplasmic reticulum, the Golgi, mitochondria, vacuoles or lysosomes ...

Flexibility is the ability of your joints to move through their full range of motion without pain or stiffness. It also refers to the pliability of the muscles that support the joints. Flexible ...

Several vitamins and supplements can provide additional support for stress, in addition to exercising regularly, getting enough sleep, and eating a nutritious diet Here are the best vitamins and ...

Memory is the faculty by which the brain encodes, stores, and retrieves information. It is a record of experience that guides future action. Memory encompasses the facts and experiential details that ...