Does writing things down actually help during cancer?

This page is for people with cancer, during or after treatment, who wonder whether writing things down could help. It covers what writing can and cannot do, and how to get started.

Someone hands you a notebook and suggests you write about it. The impulse to be polite and then never open it is understandable.

But writing is not folk advice here. The National Cancer Institute (NCI) includes it among the ways people express what they are going through, describing writing as a way to sort out feelings. In its guidance on life after treatment, NCI suggests keeping a diary of symptoms and side effects and notes about emotional issues.

So it belongs on the list. What it does not do is stand alone.

NCI presents several routes for handling difficult feelings, and writing is one of them:

• Talking — with friends, family, other survivors or counselors
• Writing — writing feelings down, or simply thinking them through
• Support groups — available in person and online
• Counseling — ask your doctor to suggest a counselor

Reading that as a menu rather than a ranking is the right approach. Some people talk easily and write badly. Some people cannot say a word out loud but fill pages. Most benefit from more than one.

It helps to notice that NCI's phrasing after treatment is journaling symptoms and emotions. Those are two distinct jobs, and confusing them is why journals get abandoned.

The symptom log is practical. Dates, what happened, how long it lasted, what made it better or worse. This one has an audience — your care team — and it directly supports something else NCI advises, which is letting your care team know about a symptom that worries you. NCI also suggests keeping a diary or notebook of symptoms and side effects as they happen. Trying to reconstruct three months of fatigue at a follow-up visit is guesswork. A short log is evidence.

The feelings journal has no audience but you. It does not need structure, dates or good sentences. NCI's framing is simply that writing can help you sort out what you feel.

Keeping them in one book is fine. Knowing which one you are writing in matters more.

A page nobody will read is one of the few places you can say the frightening version of a thought without managing anyone else's reaction.

Three obstacles come up repeatedly, and each has a small fix.

Not knowing what to write. Start with the day rather than the diagnosis. What happened, what was hard, what was surprisingly fine.

Feeling it must be daily. NCI sets no frequency. A journal used on the four worst days of a month has still done its job.

Worrying someone will read it. Use a notes app with a lock, or a cheap notebook you keep with your medical paperwork. If secrecy is impossible in your household, this may not be the right tool for you, and the other options on the list remain open.

Writing is a way to process feelings, not a treatment for depression. NCI is specific on this point: if you have signs of depression for more than 2 weeks, talk to your doctor about treatment. If you ever think about harming yourself, call or text 988 (the Suicide and Crisis Lifeline) right away, or call 911.

So if you find yourself writing the same hopeless page for weeks with no shift, the notebook has told you something useful. Take that observation to your appointment. Counseling and support group referrals are things a doctor can arrange, and noticing the pattern in your own handwriting is often what makes people finally ask.

• Emotions and Cancer — National Cancer Institute
• Coping after treatment (new normal) — National Cancer Institute