Having "brutally honest conversations" about money can bring couples closer together, says Vivian Tu, a financial educator. She shares questions to ask your partner at every relationship stage.

"Pain is a mysterious thing," says neurosurgeon Dr. Sanjay Gupta. But understanding how it works in the body and different kinds of treatment can help you find the right pain relief when you need it.

A glass-half-full outlook can keep you engaged and hopeful in hard times. Take this quiz to find out your level of optimism, then learn how to train yourself to become more optimistic.

We asked our audience to share the creative ways they limit their own phone use. They range from the practical (keep your phone in another room) to the creative (pair your phone with a fun paperback).

A full calendar doesn't mean you have to feel exhausted all the time. Experts share natural ways to boost energy and beat the constant battle of tiredness.

So you heard a piece of tax advice from a friend or on social media that sounds interesting. Should you try it? A certified public accountant explains how to vet the claim — and avoid getting scammed.

So you want to spend less time on your phone. How do you do that when it's designed to suck you in? Life Kit spoke to experts in behavioral science, psychology and technology for real-world advice.

The chaos of the day can make it hard to shut off your brain and fall asleep. Here's how to create a relaxing environment before bedtime to help you quiet the chatter and feel ready for sleep.

In this visual guide, certified car seat experts walk through common installation mistakes and how to fix them. Learn what a secure car seat base and a tightly fastened tether look like and more.

Should you trim your cuticles? How do you cut a hangnail? Is it better to use a cardboard or crystal file? Dermatologists and a nail technician share basic nail health tips.