When pasta is overcooked, a few things change the way your body handles it, according to a 2015 study. First, the starches become more broken down and easier to access, which means the carbs hit your system faster – giving you that quick burst of energy, followed by a drop. At the same time, the structure of both starch and protein in the pasta softens, which makes it harder for your body to digest and can lead to bloating or an upset stomach after eating.
Article source: https://www.huffingtonpost.co.uk/entry/pasta-cooking-times-impact-body_uk_6968e24de4b0774cc19f2df9