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r/cancer PUBLIC

This is a place for people with cancer and caregivers who are asking specific questions to come together and provide support for each other.

90,288 members
Created: Jun 2008
Language: EN
NEUTRAL SENTIMENT
Last analyzed: Jul 16, 2026 10:00
Marketing Summary

r/cancer is a PUBLIC community on Reddit with over 90,288 members. It currently has a neutral sentiment with an engagement rate of 9.0%. With a community friendliness score of 50, this subreddit presents a high conversion potential for authentic brand participation. Self-promotion is generally allowed according to recent analysis.

50
Friendliness Score
9.0%
Engagement Rate
100
Conversion Potential
2.0%
Monthly Growth
Marketing Analytics
21.9
Avg Post Score
12.2
Avg Comments
25
Brand Mentions
0
Posts/Hour
Top Post Types
text 88.0% (44)
link 12.0% (6)
Peak Activity Hours
Times shown in UTC (Coordinated Universal Time) Local times are automatically converted based on your browser's timezone
4PM UTC
High
~45 active
10AM UTC
Medium
~25 active
Community Culture
Community Sentiment NEUTRAL
Friendliness Score: 50/100
1.9K
Avg User Karma of Top Posts
70%
Commercial Acceptance
Content Preferences
Moderation Patterns
Rules & Compliance
5
Total Rules
Images
Videos
Self Promotion
Require Flairs
Public
Posting Requirements & Restrictions
No limit
Minimum Karma
No limit
Min Account Age (days)
ANY
Submission Type
Enabled
Flair System
Subreddit Rules
  1. No Blogspam:
  2. No solicitations:
  3. No donation requests:
  4. No "is this cancer" questions:
  5. No homeopathy / nature / quack medicine:
  6. Right To Remove: Mods have the right to remove your post at their discretion
  7. Links to Studies: All posts linking scientific studies must include a summary paragraph written by the poster.
Marketing Data Updated
Jul 16, 2026
Rules Updated
Jul 03, 2026
Compliance Updated
Jul 03, 2026

What is r/cancer?

r/cancer is a public Reddit community created in June 2008 with over 90,288 members. This is a place for people with cancer and caregivers who are asking specific questions to come together and provide support for each other.

The community has a neutral sentiment and an engagement rate of 9.0%. With a friendliness score of 50, it is considered very welcoming to new members.

Self-promotion is generally allowed, making it a potential opportunity for authentic brand participation.

Frequently Asked Questions about r/cancer

r/cancer is a public Reddit community with 90,288 members. This is a place for people with cancer and caregivers who are asking specific questions to come together and provide support for each other.

With a conversion potential of 100 and an engagement rate of 9.0%, r/cancer presents a strong opportunity for authentic brand participation. Self-promotion is generally allowed, but always follow community guidelines.

r/cancer has 5 community rules.

r/cancer has an engagement rate of 9.0% with an average post score of 21.9 and an average of 12.2 comments per post. The community sentiment is neutral with a friendliness score of 50 out of 10.
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