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Samantha McKinney

Metabolism is more complex than simply being “fast” or “slow” or controlled by exercise. There are many things we can do in our daily lives to optimize it. Samantha McKinney, RD, CPT, shares how to build the foundation for a healthy metabolism, as well as ways to dig deeper if you’re not seeing results or feeling your best.

A ban looking at his upper body after getting dressed in front of the mirror.
By Samantha McKinney, RD, CPT
Plus, six lifestyle steps to help aid you in losing it.
scrabble tiles spelling out hormones
By Mo Perry
How estrogen, progesterone, and thyroid levels can affect your sleep.
Hand shows the brain in the sun and sky.
By Pilar Gerasimo
Like it or not, emotions share some very real biochemical links with your nervous, endocrine, immune and digestive systems. Isn't it time you learned something about how your body responds to what you feel—and vice versa?
A woman sleeps in a bedroom.
By Laine Bergeson Becco, FMCHC
There are many reasons why women chronically experience pain during intercourse. Here are some of the top causes — and what to do about them.
An illustration of a scale balancing a male gender symbol and a female gender symbol.
By Samantha McKinney, RD, CPT
This group of hormones can impact everything from fertility and libido to weight management and mood. Learn the role they play and how to tell if they’re off, plus seven strategies to help keep them balanced.
An older male doing a pull-up outside.
By The Life Time Training Team
Many lifestyle factors affect this important hormone — and there’s a lot you can do to optimize it in your own body.
A wave of lines going up and down like a roller coaster.
By Samantha McKinney, RD, CPT
Many of us are at risk of blood-sugar imbalance — whether you’re aware of it or not. Here's everything to know about blood sugar, including the habits you can implement to control it.
Illustration of moons.
By Samantha McKinney, RD, CPT
An imbalance in hormones can be to blame for weight gain and other unwanted symptoms — and learning to balance them is often people's secret to success.
Clear drink with lemon and herbs in it on a black table.
By The Life Time Training Team
Should alcohol be part of your healthy lifestyle, or could it be doing you more damage than good? Learn the health benefits and risks.
active woman looking at cellphone
By Samantha McKinney, RD, CPT
Your immune system and underlying health have never been more important than they are now — but do you know which health markers are most critical to keep healthy?
Man resting from a run outside.
By The Life Time Training Team
Low testosterone is more common than people realize — in both men and women. Here's what you need to know, so you know what to do.
Hand touching thyroid gland
By Elizabeth Larsen
Meet your thyroid, a delicate little gland located at the front of your throat. It controls how every cell in your body turns food and oxygen into energy — and that can mean big trouble if your thyroid goes on the fritz.
Doctor talking to a patient.
By The Life Time Training Team
When the thyroid gland isn’t functioning optimally, it can cause weight gain, digestive issues, hair loss and more. Find out how to tell if you may have thyroid issues.
Postpartum Aviva Romm
By Casie Leigh Lukes
An integrative-medicine doc, who is also a midwife, shares the ins and outs of postpartum hormones — plus tips to support yourself.
A woman runs her hand through her blonde hair.
By Jill Grunewald
Here are 11 reasons you might be losing hair — and what you can do about it.
Man meditating
By Jon Spayde
Yes, says our expert, but here's what you can do to protect your sperm health.
woman holding calendar
By Casie Leigh Lukes
Here are nine things to know about your monthly cycle.
thyroid-gland-illustration
By Jill Grunewald
Millions of people suffer thyroid problems without ever knowing why. Here’s how to recognize and resolve thyroid dysfunction your doctor might miss.
A headshot of Alexandra Sacks along with a cover image of her book
By Courtney Lewis Opdahl
The reproductive psychiatrist who is popularizing the term “matrescence” shares how we can have a more honest conversation about the emotional challenges of motherhood.
A medical vial of blood sits atop a testosterone test
By Catherine Guthrie
Here are three things to know before you get your testosterone levels checked.
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