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can stomachs shrink?
Kind of. They tend to stay the same physical size throughout an adult's lifetime, but their usable capacity can change. http://www.ncbi.nlm.nih.gov/pubmed/8561056
Why do I feel rubbish after exercise sometimes?
Dunno. Some people get something called "post-exertional malaise" which produces the symptoms you're describing, but they tend to also suffer from things like CFS or ME, for which PEM is a classic symptom. If it's irregular for you then it could just be that the combination of exercise volume, weight loss, and other things going on in your life could be increasing your stress levels, which compromises your immune system, which makes you more susceptible to infection. IANAD tho.
bothwell
I’ve two questions and just wondered if anyone could offer any insight/advice
1) Can your stomach shrink? And when I say that by a huge amount? (or hat feels like a big amount). I’ve been thinking more about portion control as although I exercise a fair bit I tend to remain the same weight. I started off with a protein shake in the morning and then did simple things to reduce position size (e.g. smaller lunch box). This all had a positive effect and for the first time in ages I started to gradually lose weight and broke my magic 80kg line for the first time I can remember. Thing is sometimes whenever I eat out or am fed by friends I regret it later that evening as it feels like I’ve had a cheese baby/sprained my stomach. It lasts for a few days and feels awful. It’s not like I’ve gone mad either and certainly haven’t eaten more than I used to for my evening meal for example. Anyone else get this and is it normal?
2) Other one is to do with feeling rubbish. This doesn’t always happen but after prolonged regular bouts of exercise: where I’ve been able to cycle each day to work and a get in a couple of gym sessions/yoga a week for a month or two I sometimes get a bout of viral illness (for want of a better description). I feel weak – physical activity is hard, my head feels fuzzy , i.e. intellectually challenging activity is difficult, I feel a bit dizzy and I get a headache. It usually comes on quick and clears up after 5 days or so. I’m not sure if it’s exercise related or whether it’s the thing I focus on because I can’t do it. Anyone else get this? I did wonder if it’s related to dropping weight levels/better fitness and whether there comes a point when a barrier appears? I know a v low body fat % can cause difficulties but I don’t think 16% is in the danger zone.
TL:DR – can stomachs shrink? Why do I feel rubbish after exercise sometimes?