Obesity: Quick Facts


Q1: Why did the AMA classify obesity as a disease in 2013?
Because it is a chronic condition with many causes and serious health risks, not just a lifestyle choice.
Q2: What causes obesity?
A mix of genetics, hormones, environment, lifestyle, and emotional factors.
Q3: What health risks are linked to obesity?
It raises the risk of diabetes, heart disease, stroke, cancer, and joint problems.
Q4: How is obesity treated?
With healthy lifestyle changes, medical support, medications, or sometimes surgery.
Q5: Is obesity just a lifestyle problem?
No—it's a medical disease influenced by biology and environment, not just willpower.


Hypertension: Quick Facts


Q1: What is hypertension?
High blood pressure that strains the heart and blood vessels.
Q2: Why is it called the “silent killer”?
Because it often has no symptoms but causes serious damage over time.
Q3: What causes it?
Genetics, aging, diet, weight, inactivity, stress, and other health problems.
Q4: What are the risks?
Heart attack, stroke, kidney damage, and vision loss.
Q5: How is it treated?
Lifestyle changes, medications, and regular monitoring.




Diabetes: Quick Facts


Q1: What is diabetes?
A disease where the body cannot properly use or make insulin, causing high blood sugar.
Q2: What are the main types?
Type 1, Type 2, and gestational diabetes.
Q3: What are common symptoms?
Thirst, frequent urination, fatigue, weight changes, and blurred vision.
Q4: What health risks come with diabetes?
Heart, kidney, eye, nerve, and foot problems.
Q5: How is it treated?
Healthy lifestyle, medications, insulin, and regular medical care.


High Cholesterol: Quick Facts


Q1: What is cholesterol?
A fatty substance in the blood that the body needs in small amounts.
Q2: What does “high cholesterol” mean?
Too much LDL (“bad”) cholesterol or too little HDL (“good”) cholesterol.
Q3: What causes it?
Genetics, unhealthy diet, inactivity, weight, smoking, or other health conditions.
Q4: What are the risks?
Heart attack, stroke, and artery disease.
Q5: How is it treated?
Healthy lifestyle changes, medications if needed, and regular blood tests.


Depression: Quick Facts
Q1: What is depression?
A medical condition that causes persistent sadness and loss of interest.
Q2: What are symptoms?
Sadness, loss of interest, sleep or appetite changes, fatigue, poor focus.
Q3: What causes it?
Genetics, brain chemistry, stress, trauma, or social difficulties.
Q4: Why is it serious?
It can harm health, relationships, and may lead to suicide if untreated.
Q5: How is it treated?
Therapy, medications, lifestyle changes, and supportive care.
Insomnia: Quick Facts
Q1: What is it?
Difficulty falling or staying asleep, or waking too early.
Q2: Symptoms?
Poor sleep, fatigue, irritability, poor focus.
Q3: Causes?
Stress, poor sleep habits, medical conditions, medications.
Q4: Is it dangerous?
Yes—chronic insomnia raises risks of depression, heart disease, accidents.
Q5: Treatment?
Good sleep habits, CBT-I, short-term medications, treating underlying causes.
Marijuana: Quick Facts
Q1: What is it?
A plant containing THC (causes a high) and CBD (non-intoxicating).
Q2: How is it used?
Smoked, vaped, eaten, or used as oils.
Q3: Short-term effects?
Relaxation, altered senses, munchies, poor focus, slowed reflexes.
Q4: Long-term risks?
Addiction, memory problems, lung issues, and mental health risks.
Q5: Is it safe/legal?
Laws differ by state; even where legal, risks remain.
Smoking: Quick Facts
Q1: Why is smoking harmful?
It damages nearly every organ and raises the risk of cancer, heart disease, and lung disease.
Q2: What health problems does it cause?
Cancers, COPD, heart disease, stroke, infertility, and faster aging.
Q3: Why is it addictive?
Nicotine changes the brain, creating dependence and withdrawal.
Q4: Are vaping or light cigarettes safe?
No—while possibly less harmful than smoking, they are not risk-free.
Q5: How can I quit?
Counseling, medications, support programs, and healthy lifestyle changes.
Alcohol Use Disorder: Quick Facts
Q1: What is AUD?
A medical condition where a person cannot control alcohol use.
Q2: What are symptoms?
Cravings, tolerance, withdrawal, failed attempts to cut down, and drinking despite problems.
Q3: What causes it?
A mix of genetics, brain chemistry, stress, trauma, and social factors.
Q4: Why is it serious?
It leads to liver disease, heart disease, cancer, mental health issues, and accidents.
Q5: How is it treated?
Therapy, support groups, medications, detox, and lifestyle changes.
Medication Abuse: Quick Facts
Q1: What is it?
Misusing prescription or OTC medicines in unsafe ways.
Q2: Which drugs are misused?
Opioids, sedatives, stimulants, and cough medicines.
Q3: Why do people misuse them?
For pain relief, stress, focus, energy, or to get high.
Q4: Why is it dangerous?
It can cause addiction, overdose, organ damage, and death.
Q5: How is it treated?
Therapy, support groups, medications, and medical supervision.
Cancer Screening for Women: Quick Facts
Q1: Why screen?
Find cancers early when treatment works best.
Q2: Which cancers?
Breast (40–45+), cervical (21–65), colorectal (45+), lung (if smoker), skin.
Q3: Extra screening?
Bone density at 65+, genetic testing for strong family history.
Q4: Risks?
False positives, overdiagnosis, test discomfort or comlications.
Q5: What else helps?
healthy lifestyle and routine health checks.
Cancer Screening for Men: Quick Facts
Q1: Why screen?
Detect cancers early when treatment works best.
Q2: Which cancers?
Colorectal (45+), prostate (discuss PSA at 50+), lung (if smoker), skin.
Q3: High-risk groups?
African American men or those with family history → earlier prostate screening.
Q4: Risks of screening?
False positives, overdiagnosis, test discomfort or complications.
Q5: What else helps?
Healthy lifestyle and routine health checks.
Disclaimer
For educational purposes only. Not medical advice. No physician-patient relationship established.
In emergencies, call 911.
Copyright
© 2025, David He, MD, PhD, All rights reserved.