Lyfter wrote:
Much has been argued about the lack of results from cardio exercise but this article puts any hope you runners still have to rest:
https://www.t-nation.com/training/final-nail-in-the-cardio-coffintl;dr: don't waste your time with cardio, it does more damage than good.
Many lifters and strength athletes advocate developing cardiovascular in pair with their strength and lifting training. You can read about it in books and see the guys speak for themselves on YouTube.