I'm not 40+ (38 in september) but I have noticed that overtraining is much easier at this age. I have only been heavy lifting again for about 5 months and have already overtrained twice, once resulting in a nasty cold and nasal infection. I had muscle fatigue for almost three weeks. It was horrible... I'm currently going back to raw. I was almost 100% raw for a year and a half, and it was the best year and a half of my life by far. In fact I stopped doing raw because it shocked my how happy and fit I became (i've suffered from depression and its consequences my whole life, turning into a happy healthy person shook my ego/id I guess). Now I just have to admit to myself that diet has a huge impact on personality and live with being that person. ah and earlier posts about raw, well you can get raw food anywhere there is a produce section. I learned how to properly select food (many unripe fruits block HGH among other issues BTW, and taste horrible) and discovered that raw food tastes as good or better than prepared foods once you stop expecting fat and salt in every bite. It's also a plus to almost never have cleanup in the kitchen (I'm in to grab and eat, no raw-pizza-cake-pasta-pudding-sandwich for me).