Colic is always a possible cause, however it is pretty normal for babies to experience crying as stomach pain is inevitable. It could also be the formula milk the baby is drinking, trying lactose free formula may be a solution.
Same thing happened with my son. Ended up being reflux. He would try and eat and would come off the breast crying and arching his back. It's worse when they lay flat because it's easier for the acid to back up into the esophagus. Can't remember the name of the medicine we got from the pediatrician but it helped within a few days.
Vaccines PERIOD, because the vaccine has a little bit of the disease in it to build up you immune system. Which is why you get them yearly like the flu shot.
Regular physical activity ( 40 minutes three to four times a week) can improve your blood pressure and HDL "good cholesterol ", reduce your chances of getting diabetes, and strengthen your heart. jogging and yoga are great activities to keep your heart healthy.
You are likely to experience heat exhaustion, as you are tiring your body in the heat and inhibiting your ability to sweat due to the humidity, all contributing to your body overheating.