Nutrition
What vitamin do you get from sunlight?
What is Vitamin D?
How many minutes of moderate exercise is recommended daily for adults?
30-1hour
What is the healthiest drink for hydration?
How many hours of sleep do most adults need?
What is 7–9 hours
What is one simple activity that can reduce stress quickly?
Deep breathing
Which nutrient is essential for muscle repair?
What is Protein
What type of exercise improves heart health?
Cardiovascular (aerobic) exercise
What is hyponatremia?
Low sodium in the blood, due to overconsumption of fluids
What hormone regulates sleep-wake cycles?
What is Melatonin
What practice involves focusing on the present moment without judgment?
What is Mindfulness
What is the role of fiber in digestion?
It helps regulate bowel movements, supports gut health, and can lower cholesterol
What does VO₂ max measure?
The maximum amount of oxygen your body can use during intense exercise
What dangerous condition occurs if a person drinks too much water too quickly?
Overhydration can cause hyponatremia, which is a dangerous dilution of sodium levels in the blood.
What causes caffeine to reduce sleepiness?
Caffeine acts as an adenosine antagonist, blocking the receptors that normally receive the chemical signal for sleep pressure.
What is cognitive behavioral therapy (CBT) primarily used to treat?
Conditions like anxiety and depression by changing negative thought patterns
Which neurotransmitter is strongly linked to feelings of reward and motivation?
Dopamine. (Exercise Physiology)
What is progressive overload?
Gradually increasing exercise intensity to build strength and endurance.(Preventive Medicine)
How do the kidneys and brain cooperate to manage hydration?
The brain detects low fluid levels and triggers thirst, while the kidneys regulate how much water is retained or released.
What is the primary chemical mechanism driving "sleep pressure" that accumulates during waking hours?
Adenosine builds up in the brain while awake, activating sleep-promoting neurons and creating a drive for rest.
If mental health is "balanced thinking," why do we treat mental illness differently than physical illness?
Stigma often makes us see mental health as a personal weakness rather than a health condition.
Why can two people eat the exact same meal but gain different amounts of weight?
Individual gut microbiomes and metabolic rates determine how efficiently different bodies extract and store calories from the same food [1].
Why do our muscles actually "burn" when we push ourselves too hard?
It is not just lactic acid, but a buildup of hydrogen ions that makes your muscle environment more acidic and interferes with movement [4, 5].
Can you hydrate yourself just by eating food instead of drinking?
Yes, about 20% of our daily water comes from moisture-rich foods like cucumbers, watermelons, and soups
How does the brain know exactly when to wake us up without an alarm?
Your internal circadian rhythm uses light cues and hormone releases, like cortisol, to signal the body to transition from sleep to wakefulness.
If a person's behavior changes completely due to a brain injury, who was the 'real' person?
Identity is fundamentally tied to brain functioning, making the post-injury self a new, valid reality.