Have you ever wondered what happens to your hormones as you age? This handy guide will tell you everything you need to know about hormones through your 20s to your 50s and help you figure out how to keep them in check.

You can't live with them, can't live without them. These constant companions are your lifelong chaperones through sickness and health, sexual conquests and sleepless nights.

They're your hormones, and they mastermind all of your body's exploits.

A magical yet complicated formula of natural chemicals, hormones surge through your body, taking responsibility for sex drive, pregnancy, energy and the size of your waistline.

But how can you manage this love-hate relationship through your 20s, 30s, 40s, 50s and beyond?

Mother Nature may have quite the ride planned for you, but our experts will help you navigate this tumultuous journey of change with ease and grace.

Women's health: What are hormones like in your 20s?

Discover what hormones are like in your 20s and how they can effect your energy levels, sex drive, skin and more.

Women's health: What are hormones like in your 30s?

Make your 30s the best years of your life by understanding what your hormones will be like and how they can impact your health.

Women's health: What are hormones like in your 40s?

Maintain good health by understanding what hormones are like in your 40s. Discover how hormones can influence your body weight, skin and more.

Women's health: What are hormones like in your 50s?

Celebrate midlife by embracing your hormone changes and discover how your sex drive, energy levels and metabolism may change.

Click here for more great articles about women's health.

This story was originally titled "The Truth About Hormones" in the March 2013 issue.