In a small study of two groups of 7 participants, one group exercised for at least 30 minutes of moderate intensity or higher at least 3 times a week. The other group worked out less often and less intense than the first group.
All 14 participants were fed the same high fat 960 calorie breakfast meal. (2220 mg sodium, 48 g of fat, including 16 g saturated fat and 4.5 g trans fat..280mg. cholesterol)
After the high fat meal, they measured obstruction of blood flow in the brachial artery (-the one just above your elbow crease on your arm)..The less active group showed a greater obstruction of blood flow through the artery- it was narrowed, while the more active exercisers had no change.
Both groups experienced an increase in triglycerides (triglycerides are an ester of glycerol and 3 fatty acid groups. High levels of triglycerides indicate an increased risk of stroke.) The more highly active group’s triglycerides rose by 47% but the less active group increased triglycerides by a whopping 184%
While exercise is protective against disease, and people who exercise may be more able to get away with poor food choices, but not on a regular basis.
Johnson, B.D. et al. “Vascular consequences of a High-Fat Meal in physically active and Inactive adults.’ Applied physiology, nutrition, and metabolism, 36, no3. (2011) 368-375
While I’m reasonably certain of what will work best to keep me mentally sharp, performing well in the gym and emotionally even in terms of my nutrition, I’m an agnositc when it comes to my belief about whether that method is the right one or the best one for YOU.
First, let’s be sure we are on the same page. When I say DIET, most people hear the word restriction. When I say the word diet, I just mean the habitual pattern of what you eat on a day to day basis.
I know there are people who are devoutly Vegan or Low-Carb or Paleo or eat within a specific time window or High Fat or High Carb, Gluten-Free, Keto, Kosher, Hallal, Vegetarian, Pescatarian, or any variety of nutritional lifestyle and many of them think their way is the BEST way. However, I know from working with real clients over many years that different things work for different people. I actually think any of these could probably work depending on one’s situation.
If you like to cook, or don’t like to cook, have food allergies, have a big or small food budget, have a lot or a little nutrition knowledge, have GENES or diseases that predispose you to gain or lose weight on certain diets or require certain foods be added or omitted from your diet all coalesce into what your perfect diet is for YOU.
You may be wondering how it is that someone like myself who has studied nutrition and fitness could endorse such wildly different and sometimes conflicting diets depending on the person, and how I could even coach nutrition under such circumstances. The answer is that most nutrition programs accomplish certain cornerstone habits which are necessary in a healthy lifestyle.
In other words, when I coach clients in nutrition I don’t prescribe a diet or a particular menu though I may make some suggestions in the way that fits their lifestyle.. taking into consideration things like:
~ Cooking Experience and Knowledge
~ Stage of life (big family, small family, living alone)
~ Genetic variables (For clients interested in high fat or high protein diets I often suggest a DNA test to see if they are good candidates for such a diet in the long-term since some plans can require intense commitments. If a diet could feel overly restrictive given their social and entertaining calendars or those of other family members or their genetics indicate it would yield poor results at the outset they will have the information to make a more well informed decision as a result of the DNA test.)