Health & Wellness

Your Estimated Due Date (EDD) can be calculated several ways — from your last menstrual period (LMP), from the date of conception, or from an early ultrasound. Each method has a different precision. This guide explains Naegele's Rule, LMP calculation, and what Indian doctors typically use.

A BMI of 25 is "overweight" for a Western adult, but research shows South Asians carry significantly more body fat at the same BMI — and face higher metabolic risk. The WHO recognises lower BMI thresholds for Asians. Here is what the research says and why it matters.

The first 13 weeks of pregnancy are the most critical period of fetal development. From implantation to the first heartbeat to the NT scan — here is what happens week by week, what symptoms to expect, and which tests are scheduled in trimester one.

Sleep science is clear: most adults need 7–9 hours. But the exact amount depends on your age — and more important than hours is timing your wake-up to the end of a 90-minute sleep cycle. Here is what the research says and how to use a sleep calculator.

Your maximum heart rate determines your five training zones — from fat-burning to peak performance. The old 220-minus-age formula is outdated. Here is the more accurate Tanaka formula, a zone table for every age, and how to use each zone.

"Drink 8 glasses a day" is everywhere — but it has no scientific basis. Your actual water needs depend on your body weight, activity level, climate, and diet. Here is the formula and a table that tells you your exact target.

TDEE is the total number of calories your body burns in a day — at rest and through activity. It is the master number behind every effective diet and fitness plan. This guide explains how TDEE is calculated and why it matters more than BMR alone.

The answer to "how many calories per day" is not the same for everyone. Your TDEE — Total Daily Energy Expenditure — depends on your weight, height, age, sex, and activity level. Here is the exact formula and tables by goal.