内容摘要："Failure to understand the seriousness of domestic abuse costs lives and far too many have already been lost," Ms Cooper said.

"Failure to understand the seriousness of domestic abuse costs lives and far too many have already been lost," Ms Cooper said.

She's now seeking out brands free from harmful chemicals and plastic - and says many of her friends are doing the same."A lot of women I've spoken to about it have agreed that biogradable would be better - it's good for the planet as well."

Ifeanyi has also worn braids since childhood, and says they are the easiest and most convenient style to handle while she's busy studying at university.She argues that the study is not alarming, pointing out that people may come into contact with carcinogens every day, in"Obviously you want be cautious - I just think that it's not necessarily something to completely abandon the style or the hair for."

She's concerned that the social media posts she has seen will "scare people out of wanting to engage", to the detriment of a critical source of income for black entrepreneurs working in the hair industry., a UK-based beauty subscription for black hair, found that black British women spent £168m a year on hair products. Earlier research by

suggested that black women in the UK spend six times more on their hair than white women.

"I'd like to see more of a commitment to making sure that things are safer for us, rather than telling us that some of our historical, traditional practices as black women are wrong," Ifeanyi says."He faced motor neurone disease with great courage, and he would talk to anybody about it," said Tony.

"He wanted everybody to know. So this is great, because it's letting people know."He carried the baton for as long as he could, and then when he couldn't carry it any more, we've taken it on for him."

Ian's wife, Catherine, was also there supporting the swimmers, hoping for "a world free of MND".She said, when people were diagnosed, she wanted doctors to be able to "just go bang, here is a jab... so that sufferers are all fine again".