(Yahoo! Reuters)

NEW YORK (Reuters Health) - Measuring body fat, rather than body mass index, appears to more accurately identify people who need lifestyle interventions to lose weight, study findings suggest.

High Numbers Of Men And Women Are Overweight, Obese And Have Abdominal Fat, Worldwide 

ScienceDaily (2007-10-24) -- A new global study revealed that 40 percent of men and 30 percent of women are overweight, while 24 percent of men and 27 percent of women are obese, researchers reported. 

(Full article at ScienceDaily)

Have you slipped back into some bad habits during this barbecue season? Well, you aren't the only one!

FitRene is starting up a new 4 week challenge at Pinkdumbbells.com that will focus on nutrition.

Come join us at PDB for the You Are What You Eat challenge starting Monday, August 13 and renew your motivation! I'm giving away a new PinkDumbbells "Serious Pink" t-shirt that I will refashion into the winner's choice of tank top, contrast shoulder (black or pink) tank top, or contrast 3/4 sleeve baseball top to the participant showing the most improvement based on stats and photos at the end of the 4 weeks.

Photos are optional for the general challenge, but if you want to be in the running for the t-shirt prize, you MUST submit Day 0 and end of week 4 photos along with your starting and ending stats! 

(By Craig Ballantyne from the grrlathlete.com newsletter)

You want nice arms, master the pushup.

You want to pass your physical recruitment test for the police academy or military, master the pushup.

You want to push other athletes around on the court or field (within the rules, of course!), master the push-up.

You want to be mobile, athletic, lean, and sexy? Master the advanced pushup variations.

Earlier this week I showed you how to start working towards your first chin-up. Today, we switch gears from pulling to pushing. If you can't do a pushup, start with these 3 basic steps. If you can do a bunch and want to take it to the next level, see the 3 advanced steps below.