On average, smokers live more than 10 years less than non-smokers. Quitting before age 40 eliminates roughly 90% of the extra death risk caused by con…
Cost
It costs nothing — in fact, it saves money. A pack-a-day habit costs roughly $3–$4, which …
Benefit
One U.S. study that tracked participants without assigning them to groups found that curre…
Around 600,000 people worldwide die each year from secondhand smoke exposure; nearly 30% of those are children. Long‑term exposure to secondhand smoke…
Cost
There is no monetary cost and it takes little time. The challenge is simply having the con…
Benefit
In 2004, secondhand smoke caused 603,000 deaths globally — about 1.0% of all deaths worldw…
Relying on sheer willpower alone rarely works for most smokers. People taking varenicline are more than twice as likely to succeed compared to those t…
Cost
Nicotine patches and gum are over-the-counter products available at any pharmacy. A full c…
Benefit
A pooled analysis of 41 randomized trials involving 17,395 participants shows that varenic…
Many people try to cut back a little each day until they reach zero. Yet after six months, only 15.5% of those who gradually reduced their intake stay…
Cost
No cost at all. Just choose a date on the calendar and let family and coworkers know in ad…
Benefit
In the UK, 697 smokers were randomly assigned to two groups. One group quit on a predeterm…
Medications and regular follow-up support from professionals are two distinct components that work best together. People who take medication while rec…
Cost
A single clinic visit costs only a few to dozens of yuan. Behavioral support typically inv…
Benefit
Across 52 trials involving 19,488 participants, the combination of medication and behavior…
Switching to nicotine‑containing e‑cigarettes helps roughly 60% more people quit smoking than nicotine patches — this finding is quite reliable. Howev…
Cost
The device plus cartridges cost anywhere from a few dozen to several hundred yuan per mont…
Benefit
This up‑to‑date review includes 80 randomized trials involving 29,861 participants. Compar…
People who drink more than two sugary drinks per day have about a 20% higher chance of dying during the same period compared to those who rarely drink…
Cost
There’s no cost involved, nor does it take any extra time. Switching to plain water or sug…
Benefit
Two large U.S. studies followed large groups of people without any subgroup categorization…
People who chew betel nut have roughly a 20% higher chance of dying during the same period compared to non-chewers. Their risk of developing diabetes …
Cost
It costs nothing, takes no time, and saves money that would otherwise be spent on betel nu…
Benefit
Data from 17 Asian studies involving 388,000 participants show that chewing betel nut rais…
For people who have had a stroke or are over 60 with hypertension, switching to low‑sodium salt can lower their chance of dying within five years by a…
Cost
One bag costs a few yuan more than regular salt. It’s easy to switch when you shop, adding…
Benefit
A randomized trial conducted in rural China enrolled 20,995 participants — all stroke surv…
People who clean between their teeth daily have roughly a 10% lower chance of dying over the same period. For elderly individuals with no natural teet…
Cost
Dental floss or interdental brushes cost just a few dozen yuan per year, while professiona…
Benefit
A Japanese study followed 9,676 participants for six years. Those who used interdental cle…
People who walk roughly 7,800 steps daily have a mortality risk roughly 45% lower than those walking only 3,500 steps. The same pattern holds when mea…
Cost
It costs nothing. In terms of steps, walking 60–90 minutes daily can easily be split into …
Benefit
Fifteen studies tracking large groups of people were combined for analysis without subgrou…
For every 10 mmHg drop in systolic blood pressure, mortality decreases by roughly 13%, while stroke risk drops by about 27%. Each 1.0 mmol/L reduction…
Cost
Generic hypertension drugs and statins cost only a few to several dozen yuan per month. Th…
Benefit
Pooled data from multiple randomized controlled trials show that a 10 mmHg reduction in sy…
People who regularly get less than 7 hours of sleep have roughly a 10% higher chance of dying over time. The more irregular their schedule, the greate…
Cost
No cost involved. You simply need to allocate time for sleep — most people achieve this by…
Benefit
A pooled analysis of 16 longitudinal studies — involving 1.38 million participants and 113…
People who regularly play tennis, badminton, or table tennis have about half the risk of dying during the same period compared to non-players. Their r…
Cost
The cost of court fees is typically a few dozen yuan per session. This amounts to roughly …
Benefit
A UK-based study tracking 80,300 participants compared those who engaged in racket sports …
For individuals who do not exercise regularly, performing just three 1–2 minute bouts of strenuous activity each day can reduce their overall risk of …
Cost
There is no cost involved, and no extra time needs to be set aside for exercise. The main …
Benefit
A study conducted by the UK Biobank involved 25,200 participants who did not engage in reg…
People who engage in 30–60 minutes of strength training each week have a 10–20% lower risk of dying during that period compared to those who don’t tra…
Cost
Doing bodyweight squats and push-ups costs nothing. Aim for 1–2 sessions per week, each la…
Benefit
When multiple observational studies are pooled together (without subgroup analysis), indiv…
People who sit the longest have a 2.6 times higher chance of dying during the same period compared to those who sit the least. Sitting continuously fo…
Cost
It costs nothing; getting up a few times doesn’t take much time at all. The hard part is t…
Benefit
One U.S. observational study used accelerometers to measure activity levels without groupi…
People who eat the most ham, bacon, sausages, and similar processed meats have a roughly 20% higher chance of dying during the same period compared to…
Cost
It costs nothing — in fact, it saves money — and doesn’t take extra time. The hard part is…
Benefit
When multiple long‑term studies are pooled together (without separating participants into …
After consuming 100 g of pure alcohol per week, the more one drinks, the earlier they tend to die. 100 g of pure alcohol is roughly equivalent to 2.5 …
Cost
There is no cost at all — it saves money and time. The only difficulty is handling social …
Benefit
A combined analysis of 83 longitudinal studies involving 600,000 drinkers showed that the …
Individuals who consume large amounts of alcohol every day can suffer from withdrawal symptoms when they suddenly stop. Mild cases involve tremors, sw…
Cost
Seeing a psychiatrist or addiction specialist costs just a few to several dozen yuan. In s…
Benefit
A 2026 clinical review notes that chronic heavy drinkers often develop withdrawal syndrome…
A doctor can spend a few minutes reviewing your weekly alcohol intake, explaining the associated risks, and helping you set a realistic goal. After a …
Cost
No cost at all. Just count the number of drinks each day and jot it down. Asking your doct…
Benefit
Data from 34 randomized trials involving 15,197 participants show that individuals receivi…
People who regularly eat nuts have roughly 20% lower mortality rates than those who don’t. Even eating nuts just once a week yields a 10% reduction in…
Cost
Consuming 28 grams per day costs roughly 200–300 yuan annually. It’s easy to fit into your…
Benefit
Two U.S.-based longitudinal studies tracked 119,000 participants over more than 3 million …
Eating two extra servings of processed or red meat each week raises the risk of death by roughly 3% compared to normal intake. Switching to the same a…
Cost
There’s no extra cost or time involved. You’re simply substituting one type of meat for an…
Benefit
This conclusion comes from pooling data across six U.S. studies involving nearly 30,000 pa…
People who eat an extra 90 g of whole grains daily have a roughly 17% lower risk of dying during the same period. That amount equals about three servi…
Cost
Whole grain options like brown rice, oats, and whole wheat flour cost slightly more than r…
Benefit
Pooled data from multiple observational studies (no intervention groups used) shows that a…
