Xeni Jardin: standing up to breast cancer in public and in private

Journalist Xeni Jardin has become known for her online candor on the topic of breast cancer. She talks about why sharing online can be both a life-saver and a crutch• Guardian readers share their stories of living with breast cancer

Living with breast cancer: share your stories

It's breast cancer awareness month in the US. If you've had breast cancer before or are living with it today, we want to hear from you

Should I be more emotional?

Some studies have found that a positive mental attitude and not bottling up feelings can lead to a longer life, but the evidence is not conclusive

Six stubborn myths about cancer

David Robert Grimes: The internet is awash with misinformation about cancer, with potentially tragic consequences for patients

Breastfeeding for six months can delay breast cancer onset by a decade

Spanish study of 504 women shows earlier onset of breast cancer in women who breastfed for less than six months

Unexpected Lessons in Love by Bernardine Bishop – review

A frank and wondrous book about two women who meet during cancer treatment that will make you less afraid of the disease, writes Jane Housham

The End of Night by Paul Bogard – review

Would less artificial light be better for us all? It's a modest and worthwhile aim, finds Salley Vickers

Should I take drugs to prevent breast cancer?

Nice guidance is recommending oestrogen blocker tamoxifen for women with an increased risk of the disease. Could you be eligible for treatment?

Should I stop using talcum powder?

A study has found an increased risk of between 20% and 30% for ovarian cancer in women who used talc for what some call 'intimate personal hygiene'

HPV and links to cancer – live webchat

Michael Douglas linked his throat cancer to contracting a strain of HPV virus through cunnilingus - but was he medically correct to make the causal connection? What is the truth about HPV and how is it linked to cancer? Our webchat discussed the issues

Michael Douglas says cunnilingus gives you cancer – but is he right?

Michael Douglas, who was diagnosed with throat cancer in 2010, says oral sex was the cause. But what's the risk?

How my molar pregnancy became a life-changing event

At first I assumed it was a virus, and then that I was expecting another child. But the truth was far more disturbing – and the start of a long and emotionally taxing battle

I discovered I had colon cancer while I was pregnant

At 31, Matilda Tristram was looking forward to having her first baby. Then she discovered she had cancer. Her comic chronicling the experience is raw, funny and still unfolding. Interview by Zoe Williams