1 What makes krill oil different from regular fish oil?
- Krill oil contains no omega-3 fats
- Its omega-3s are attached to phospholipids
Krill oil carries omega-3 fats in phospholipid form and contains astaxanthin, which may help protect the oil from oxidation. Learn more.
- Fish oil naturally contains more astaxanthin
- Krill oil works only for brain health
2 What can happen when blood flow to the optic nerve is suddenly blocked?
- Vision becomes blurry within the end of the day
- Eye pressure suddenly drops without symptoms
- Rapid vision loss may be hard to reverse
Nonarteritic anterior ischemic optic neuropathy (NAION) blocks blood flow to the optic nerve, causing fast vision loss that is often permanent. Learn more.
- Color perception improves over time
3 Which immune cells normally activate each other during an infection?
- Platelets and red blood cells
- B cells and T cells
B cells and T cells usually signal each other briefly during infection, then quiet down once the immune response is no longer needed. Learn more.
- Neurons and skin cells
- Fat cells and bone cells
4 Which thinking skill was most affected by ultraprocessed foods?
- Attention
Higher ultraprocessed food intake was linked to worse attention, including focus, reaction speed, and working memory, while memory stayed more stable. Learn more.
- Hearing
- Balance
- Vision
5 What drug class is described as massively overprescribed and hard to withdraw from?
- Antibiotics
- Antacids
- Opioids
- Selective serotonin reuptake inhibitors (SSRIs)
Selective serotonin reuptake inhibitors (SSRIs) are described as widely used, often difficult to stop and a focus of new prescribing reforms. Learn more.
6 What health condition commonly overlaps with dementia?
- Seasonal allergies
- Motion sickness
- Food intolerance
- Depression
Depression can overlap with dementia and may bring fatigue, low motivation, disrupted sleep, and social withdrawal. Learn more.
7 Which fat can become harmful when too much builds up in cell membranes?
- Butyric acid
- Lauric acid
- Linoleic acid
Excess linoleic acid can oxidize in cell and mitochondrial membranes, creating reactive byproducts that disrupt cell signaling and inflammation control. Learn more.
- Caprylic acid
1 What can krill oil improve in older adults?
- Grip strength
According to a 2026 study, older adults over 65 who took krill oil for six months improved their grip strength, knee strength, and muscle thickness. Learn more.
- Jaw strength
- Eyesight
- Hair growth
2 What is the generic name of Pepcid?
- Omeprazole
- Ranitidine
- Famotidine
Pepcid is the brand name for famotidine, an H2 blocker used for heartburn relief that may also affect serotonin activity. Learn more.
- Cimetidine
3 What gradually breaks down in osteoarthritis?
- Bone cells
- Muscle fibers
- Spinal fluid
- Cartilage
Osteoarthritis develops when cartilage slowly breaks down, leading to joint pain, stiffness, swelling, and reduced mobility. Learn more.
4 Which warning sign may point to sudden vision loss?
- Mild eye itching after screen use
- Better night vision than usual
- Clearer colors in bright light
- Sudden blurriness or dark spots
Sudden blurriness, dark spots, lost visual field, or new color problems may signal optic nerve damage and should be taken seriously. Learn more.
5 What does lupus cause the immune system to do?
- Attack the body’s tissues, including skin, joints, kidneys, and heart
Lupus is an autoimmune disease where the immune system attacks body tissues. It most often affects women ages 15 to 44. Learn more.
- Support stronger bones, muscles, nerves, and healthy blood flow
- Improve daily energy, digestion, sleep, and normal recovery
- Oxidize the skin, joints, kidneys, and heart
6 Why is jiaogulan called the “immortality herb”?
- It is known for supporting calm energy and balance
- It has a reputation for promoting longevity and vitality
Jiaogulan is called the “immortality herb” because it has long been linked to longevity, vitality, and disease resistance in traditional use. Learn more.
- It is traditionally used to replace daily movement habits
- It is valued to help the body handle stress better
7 Why can some cancer treatments trigger autoimmune symptoms?
- Tumors stop the immune system from working
- Healthy tissue becomes invisible to immune cells
- Immune “off switches” are removed during treatment
Some cancer treatments remove immune brakes to fight tumors better, but that can also make immune cells more likely to attack healthy tissue. Learn more.
- Cancer drugs block all inflammation permanently
8 Why is krill oil more bioavailable than fish oil?
- Krill oil does not contain omega-3 fats
- Fish oil doesn’t absorb better because of triglycerides
- Krill oil works only because it has more EPA and DHA
- Its omega-3s are bound to phospholipids
Krill oil binds eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) to phospholipids, making them easier for cells to absorb and use. Learn more.
9 Besides vitamin C, what beneficial compounds are found in lemons?
- Citronella oil
- Flavonoids
Lemons contain flavonoids such as hesperidin and limonoids, which may offer antioxidant, anti-inflammatory, and heart-supportive benefits. Learn more.
- Fructolipids
- Stevia-like sweeteners
10 What can ultraprocessed foods disrupt in the brain?
- Hair growth signals
- Bone repair timing
- Stable cellular energy
Ultraprocessed foods may impair cellular energy production, blood sugar control, and inflammation, which can weaken focus and mental stamina. Learn more.
- Tooth enamel strength
11 Why is Dimethyl sulfoxide (DMSO) called an umbrella remedy?
- It may support many different health conditions
DMSO is called an umbrella remedy because it may support many issues through effects on inflammation, circulation, and damaged cells. Learn more.
- It works for various skin irritations and conditions
- It blocks every medication from working
- It treats only one type of infection
12 How does potassium help lower blood pressure?
- Sodium stays trapped in the bloodstream
- Blood pressure hormones rise quickly
- Kidney signals slow down completely
- Excess sodium is removed more easily
Potassium helps the body remove excess sodium, supports early kidney responses, and reduces hormones that can raise blood pressure. Learn more.
13 What did Robert F. Kennedy Jr. announce about psychiatric medications?
- A plan to increase SSRI use in children
- A federal effort to reduce inappropriate SSRI prescribing
The effort focuses on safer SSRI prescribing, proper tapering support, and more non-pharmaceutical mental health options. Learn more.
- A ban on all non-drug mental health care
- A rule ending provider training for tapering
14 How do people with prediabetes benefit from high-intensity interval training (HIIT)?
- Insulin sensitivity and glucose processing improve
High-intensity interval training (HIIT) may improve insulin sensitivity, glucose processing, and mitochondrial energy production in people with prediabetes. Learn more.
- Weight loss becomes the only health benefit
- Blood pressure stabilizes during every workout
- Mitochondria produce less cellular energy
15 What certification can help confirm beef is really grass fed?
- United States Department of Agriculture (USDA) organic seal
- American Grassfed Association (AGA) certification
American Grassfed Association (AGA) certification, “100% grass fed” and “grass-finished” wording help verify beef was not grain-finished. Learn more.
- Generally Recognized as Safe (GRAS) label
- Good Manufacturing Practice (GMP) certification
16 Is more exercise always better for brain health?
- Yes, nonstop intense workouts always protect the brain
- It depends, but recovery is less important than intensity
- A semi-sedentary life is best if weight stays normal
- No, too much intense exercise without recovery can backfire
Excessive intensity can raise cortisol, disrupt sleep, and strain the nervous system. Moderate training with recovery better supports long-term brain health. Learn more.
17 How can someone find their carb-response type?
- Try all carbohydrates for one week
- Write down on a journal based on hunger after meals
- Wear a continuous glucose monitor for a few weeks
Wearing a continuous glucose monitor for two to four weeks can show which carb foods cause the biggest blood sugar spikes, helping identify carb-response type. Learn more.
- Check weight changes after one meal
18 What is the best way to take a nap?
- Longer than 1 hour after dinner
- Under 30 minutes and before 2 p.m.
Short naps under 30 minutes before 2 p.m. may support alertness and memory while lowering the risk of grogginess or sleep inertia. Learn more.
- Anytime during the late evening
- Until deep sleep starts fully
19 Which food is a good source of choline?
- White rice
- Apple juice
- Canola oil
- Pastured eggs
Pastured egg yolks provide choline, which the body uses to build phospholipids that support cell and mitochondrial membrane repair. Learn more.
20 What are chelating agents designed to do?
- Bind to toxic metals so they can be removed
Chelating agents attach to toxic metals like mercury or lead. Once bound, these metals can be safely carried out of the body through urine or stool. Learn more.
- Increase blood sugar levels
- Build protein in muscles
- Improve digestion only
21 Which antioxidant system helps the body neutralize oxidative stress?
- Glutathione
Glutathione is an internal antioxidant system that helps neutralize oxidative stress, protect cells, and support repair when cellular energy is strong. Learn more.
- Cortisol
- Glucose
- Histamine
