Preventative Care & Healthy Habits
The CDC recommends washing your hands with soap and water for at least this many seconds to effectively kill germs.
What is 20 seconds?
Often dubbed the "feel-good" hormone, this neurotransmitter plays a major role in how we feel pleasure and reward.
What is dopamine?
Named from the Greek for "air" and "life," this type of exercise relies on oxygen to meet energy demands during sustained activity.
What is aerobic exercise?
Often called the building blocks of protein, human bodies need 20 variations of these organic compounds to function properly.
What are amino acids?
Responsible for pumping oxygenated blood to the body, this cardiac organ is divided into four main chambers.
What is the heart?
This metric uses your height and weight to estimate body fat, though it does not distinguish between muscle mass and fat mass.
What is BMI (Body Mass Index)?
This ancient practice involves focusing the mind on a particular object, thought, or activity to train attention and achieve emotional calm.
What is meditation?
Sunlight triggers the production of this "sunshine vitamin" in your skin, essential for calcium absorption.
What is Vitamin D?
The largest internal organ in the human body, it plays a vital role in filtering toxins and producing bile.
What is the liver?
This sleep stage, characterized by rapid eye movement, is when most dreaming occurs and is critical for memory consolidation.
What is REM sleep?
Known as the primary "stress hormone," it increases sugars in the bloodstream and alters immune system responses during "fight-or-flight."
What is cortisol?
This organic acid accumulates in muscles during strenuous activity, often blamed (though debated) for mid-workout muscle fatigue.
What is lactic acid?
This non-digestible plant carbohydrate helps maintain digestive health and regulates blood sugar levels.
What is dietary fiber?
This chemical messenger is secreted directly into the bloodstream by endocrine glands to regulate functions like metabolism and mood.
What is a hormone?
Pertaining to disease prevention, this term describes immunity achieved when a high percentage of a population becomes immune to an infection.
What is herd immunity?
This 24-hour internal clock in your brain cycles between sleepiness and alertness at regular intervals.
What is the circadian rhythm?
This mineral, abundant in leafy greens and nuts, is crucial for over 300 biochemical reactions in the body, including muscle and nerve function.
What is magnesium?
Located in the throat, this butterfly-shaped gland regulates your body’s metabolic rate.
What is the thyroid gland?
This term describes physical or mental illnesses that persist over a long period—typically defined as 1 year or more—and require ongoing medical attention.
What is a chronic condition (or chronic illness)?
The brain's ability to adapt, reorganize, and form new neural connections throughout life is called this.
What is neuroplasticity?
Found in green tea and dark chocolate, these compounds neutralize free radicals to protect cells from oxidative stress.
What are antioxidants?
This long tube in the digestive tract, measuring roughly 20 feet in adults, is where most nutrient absorption takes place.
What is the small intestine?