Articles & guides — page 7
212 pieces on the questions people actually search — how many calories, how much protein, how big a deficit, what a set at RIR 2 means, how the 1RM estimate works, how many sets a week — with every number derived from the formulas the apps use or cited to a source you can open. Training and nutrition education only; never medical advice.
212 articles
Does dieting slow your metabolism when you are already lean?
A little, less than feared. Lean adults on a moderate deficit showed no clear change in resting energy use; lean dieters over 2 years ran about 80–120 kcal low.
Human trial dataDieting & troubleshooting8 minDoes drinking water help you lose weight?
A little, with a diet: in a 12-week trial, water before meals added about 2 kg of loss on average. Across 8 trials, extra water alone made no clear difference.
Human trial dataDieting & troubleshooting7 minDoes fasted cardio burn more fat?
During the session, yes: fasted cardio uses about 3 g more fat. Over 4 weeks of dieting, fat loss showed no clear fasted-vs-fed difference. Why both are true.
Human trial dataDieting & troubleshooting8 minDoes fiber help you lose weight?
In 345 adults on reduced-calorie diets, the rise in fiber was the strongest predictor of weight change over 6 months. It predicted the result, not proved it.
Human trial dataDieting & troubleshooting7 minDoes keto beat carbs at the same calories?
In 6 trials with matched calories, keto groups lost about 1.5 kg more than higher-carb groups, but not clearly once protein was matched. Low certainty.
Human trial dataDieting & troubleshooting7 minDoes lack of sleep make it harder to lose fat?
In a lab trial, dieters lost the same weight on 5.5 or 8.5 hours in bed, but with short nights they lost 55% less fat and 60% more fat-free mass. What it means.
Human trial dataDieting & troubleshooting9 minDoes smoking keep you lean?
Only partly. In 499,504 UK adults, smokers were a little less likely to be obese (odds ratio 0.83), but heavy smokers were more likely. What the studies show.
Human trial dataDieting & troubleshooting7 minFlexible or rigid dieting: which works better?
In a 10-week trial of 23 lifters on the same calorie cut, a flexible macro diet and a fixed meal plan changed weight and fat mass alike. What else is known.
Human trial dataDieting & troubleshooting8 minHIIT or steady cardio for fat loss?
Across 54 trials, interval training and steady cardio changed fat mass by the same amount. Intervals took about 28 minutes a week against 120. The details.
Human trial dataDieting & troubleshooting8 minIs intermittent fasting better than cutting calories every day?
Across 99 trials in adults, fasting and daily calorie cutting lowered weight about equally. Only alternate-day fasting edged ahead, by 1.3 kg, a trivial gap.
Human trial dataDieting & troubleshooting6 minIs breakfast the most important meal of the day?
Not for weight: in 13 trials, adults assigned to breakfast ate about 260 kcal a day more and did not weigh less than those who went without. What that means.
Human trial dataDieting & troubleshooting7 minIs diet soda better than water for weight loss?
Slightly: after 52 weeks, a diet-drinks group kept off 7.5 kg on average against 6.1 kg with water, a gap the authors called not clinically significant.
Human trial dataZyra is a training and nutrition tracking tool. Nothing on this page is medical advice, a diagnosis, or an individual prescription. The numbers are estimates from published formulas and the apps' own rules — consult a qualified professional for decisions about your health, and a coach for your training.