What does the concluding sentence convey about the author’s overall opinion? "But for the women I speak to, it seems their commitment to the cause is mostly about a sense of achievement – with a side order of endorphin–fuelled feel–good factor."

She is eager to agree with those exercising multiple times per day.

She shows that the exercising women will go ahead despite medical advice not to.

She implies that the women are pursuing the psychological benefits of exercise.

She infers that the women are in various ways addicted to exercise.