Health Capsules
14 capsules

Salt and Health Guidelines: Measurement, Genetics, and Policy
Salt and health guidelines depend on how sodium intake is measured, how individual biology affects salt sensitivity, and how population policies translate evidence into recommendations. Readers will understand the main sources of disagreement behind sodium targets, including measurement uncertainty, genetic variation, and the record of public health interventions.

Peter Attia's Outlive: Longevity Guidelines, Evidence, and Tradeoffs
Longevity medicine offers varied guidelines on exercise intensity, supplement timing, medical screening, and cold exposure. These guidelines differ on how to balance rigorous research with practical daily actions, when to intervene medically, and how to safely apply cold therapies. Understanding these differences helps you choose personalized strategies for healthspan and lifespan optimization.

A Practical Handbook to Eggs and Heart Health
Egg advice has flipped so many times that most people no longer know what's safe. These approaches range from limiting eggs over cholesterol to blaming saturated fat instead, questioning the studies themselves, or judging eggs by the whole diet around them. Sorting the differences tells you how eggs fit your own heart health picture.

A Patient's Guide to Normal Thyroid Labs and Follow-Up Testing
Normal thyroid lab results do not always explain persistent symptoms such as fatigue, brain fog, cold intolerance, or weight changes. This guide explains what standard thyroid tests can and cannot show, how factors such as antibodies, hormone conversion, reference ranges, and test timing may affect interpretation, and which follow-up tests may be worth discussing with a clinician.

A Patient's Guide to Second Medical Opinions
Seeking a second medical opinion can feel delicate, but it’s essential for making informed health decisions. Different approaches emphasize respectful communication, organizing your medical records carefully, and addressing common emotional barriers like fear of offending your doctor. Understanding these varied strategies helps you confidently gather neutral facts and navigate insurance while maintaining a positive relationship with your healthcare provider.

A Caregiver's Handbook to Safe Breathing Techniques
Breathing techniques can improve relaxation, oxygen intake, and overall well-being when practiced correctly. This collection presents clear instructions for various methods including deep diaphragmatic breathing, controlled breath counts, and alternate nostril breathing, alongside important medical guidelines and precautions. It also covers critical breathing support for newborns and highlights when to seek professional guidance for safe practice.

A Patient's Guide to Weight Loss Medications, Lifestyle, and Surgery
Deciding between medication, diet and exercise, or surgery for weight loss means weighing realistic outcomes, ongoing commitments, and potential risks. Medications like GLP-1 require continuous use to maintain results but come with side effects and limited insurance coverage. Surgery offers the most dramatic weight loss but involves strict eligibility and lifelong changes, while lifestyle changes demand patience and consistency with more modest results.

A Patient's Guide to Interpreting Blood Test Results
Blood test results can be difficult to interpret without clinical context, especially when portals highlight numbers as abnormal without explaining what they mean. This guide explains how doctors evaluate common lab results, where plain-language tools and patient portals can help, and why trends, symptoms, medications, and medical history matter. Readers will learn how to review results more confidently and prepare better questions for their clinician.

The Supplement Buyer's Guide: Evidence, Safety, and Claims
Supplements are a huge business built on surprisingly thin proof, and your money and health are both on the line. These claims differ on how much to trust an industry with weak regulation, when high doses become risky, and which specific needs, like folic acid in pregnancy or B12 on a plant-based diet, genuinely justify a pill. You'll come away able to judge which bottles earn a place in your cabinet and which to skip.

A Family Caregiver's Guide to Elder Care Decision Documents
When aging parents face health or mental decline, having the right documents in place is crucial to avoid legal complications. These documents differ on who can make financial, legal, and medical decisions, when authority takes effect, and how to ensure the appointed person acts in the parent’s best interest. Understanding the distinctions among powers of attorney, advance directives, and health care proxies helps families prepare before a crisis strikes.

Gut Microbiome Testing: Reliability, Regulation, and Diet Decisions
Despite popular marketing, gut microbiome tests lack FDA approval and clinical reliability, making them unsuitable for diagnosing conditions or guiding diet changes. The mainstream hype suggests these tests offer personalized health insights, but experts warn against making lifestyle or medical decisions without professional advice. Following this cautious approach helps avoid ineffective or potentially harmful self-prescribed treatments based on unproven test results.

The Back Pain Triage Guide for Patients
Most back pain is harmless, but a few symptoms mean the emergency room, and confusing the two is costly either way. These approaches split on triage: acting fast on red flags like leg weakness or bladder trouble, waiting out time-based windows, or weighing psychological and lifestyle factors before imaging and surgery. Knowing the differences tells you when to rush and when to breathe.