The latest in fertility treatment might come down to a simple diet -- for both men and women.

Researchers reported last week that obese men tend to make less semen and have abnormal sperm. This finding adds to recent research showing that obese women are more likely to be infertile.

There's nothing too scientific about the implication of this research. It's simple: Men and women who wish to conceive should first achieve an ideal body weight.

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The American Cancer Society tells us that the hot dogs, burgers, and chicken we take on our picnics should be kept at 140 degrees F or higher and that our cold food should stay chilled at 41 degrees F or colder. Real Simple magazine weighs in on a few temperature matters too.

There are the basics: Normal body temperature is 98.6 degrees F, water boils at 212 degrees, and it freezes at 32 degrees. But what's the ideal temperature for wine? Well, 45-50 degrees F for white wine and 60-65 for red. What about that relaxing bath that's calling your name? Water temp should be 96-104 degrees. Make it any hotter and you may break down your skin's protective barrier, which guards against pollution, germs, and bacteria. Who knew?

Did you know your fridge should be set between 32 and 40 degrees and your freezer should register at a big fat 0? Food will spoil faster in warmer temps, and the quality of food will change if it's too cold. What about green tea? Your water should reach 170 degrees. This is lower than what you need for black tea because green leaves burn more easily. An omelet? You want an internal temperature of 160 degrees. And when your day is coming a close and it's time for a little shut-eye, snuggle in at a nice 68 degrees. A good sleep requires your body temperature to drop by losing heat into the environment. Sticking your arms and legs outside the covers and removing your bedtime socks will help the heat escape.

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Have fitness questions? Fitz has your answer. Our ThatsFit.com fitness expert -- and now your own virtual personal trainer -- will help you get fit, increase your overall health and do it in a fun way. Drop your questions here in the Comments section below and we'll choose two per week to publish on That's Fit! Learn more about Fitz here.

Q. Fitz, For about a year now, I've been doing exercises for my obliques. I've done them about three or four times each week and have done a variety of different exercises each workout. I'm also a naturally thin person who recently lost 10 pounds (so I'm really thin now) and I still have those awful love handles! How do I get rid of them? Emily

A. Ugh Emily! This is a question I've answered before, but since it's such a tremendous source of frustration for so many...I believe the topic of love handles is worth visiting again. You're actually the perfect example of how annoying they can be. You are a trim person who does a variety of abdominal exercises frequently. Most folks would believe that would be enough. Unfortunately for some people, it is not.

Love handles often have to do less with abdominal muscles and more with body type. For example. I'm a pretty trim chic, but when I have gained weight...it's all gone to my boobs, belly and thighs. In fact, I used to be 40 pounds heavier than I am today, but I've never had love handles. Some people get it all in their hips. Even if they achieve their ideal weight, some of those people are still stuck with dreaded 'saddlebags'. Your issue is the same. Great fitness. Lean body. One or two annoying pockets of fat.

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