<s>[INST] I am experiencing fairly severe fatigue when mildly exercising outdoors in a warm environment. Drinking more water does not seem to help. I only recover by resting in a cool environment. I have been experiencing stress relating to emotional problems. [/INST] Dear serve understand your concerns went through your details. Please let me know, is there any other occasions, where you feel the same set of symptoms? Usually Stress and anxiety do induce physical symptoms like breathlessness, fatigue etc. Needs to be evaluated. If you require more of my help in this aspect, please use this URL. http://goo.gl/aYW2pR. Make sure that you include every minute details possible. Hope this answers your query. Available for further clarifications. Good luck. </s>