Relationships are the biggest predictor of happiness and health, more than cholesterol or blood pressure at age 50.
Good relationships reduce chronic stress, lowering inflammation and stress hormones, which protects against diseases like coronary artery disease and diabetes.
Loneliness is as harmful to health as smoking half a pack of cigarettes a day or being obese, due to chronic stress.
Everyone needs at least one solid relationship they can count on in times of need, regardless of introversion or extroversion.
Wealth and fame do not significantly increase well-being beyond basic security; meaningful work matters more.
It is never too late to build relationships; even small actions like texting someone can strengthen social connections.
Social fitness requires maintenance through small actions, similar to physical fitness, such as joining groups with shared interests.
The article introduces the concept of 'phone body'—physical changes caused by technology use, such as calloused bumps from holding phones.
Experts warn that devices can alter neck shape (causing 'tech neck'), hurt vision, affect motor skills, reduce muscle strength, and possibly lead to more wrinkles.
To combat 'tech neck', lift phones to eye-level, take screen breaks every 30 minutes, and consider special exercises with a doctor's approval.
Skin issues from tech include irritation under smartwatches due to damp environments; solutions involve removing watches more often and using barrier cream.
Myopia rates are rising, linked indirectly to less outdoor time (which protects vision via light-stimulated dopamine), rather than direct screen use.
Grip strength is declining, especially in younger people, potentially due to sedentary work; improving overall fitness and doing wrist exercises can help.
Technology may negatively affect fine motor skills, particularly in children, impacting cognitive development; hands-on activities like cooking or crafts are recommended.