Health and Wellness blogs If you have a passion for personal care and helping others live healthier lives, then a fitness blog may be the perfect way to share your knowledge with the world. At-home workouts and eating best practices are just two of the many topics that you could write about on your blog. Fitness bloggers typically post new content several times per week, if you are passionate about wellness and enjoy sharing your insights with others, then starting a blog may be the perfect way to turn your hobby into a full-time job.