All Blogs

By the end of my book tour in 2022—one of the most amazing but intense experiences of my life—you could scrape me off the floor. (Who knew? I certainly didn’t expect it.) I was wiped out. My Oura data corroborated…

Mitochondria are crucial for life, and increasingly research is finding that they hold the key to better aging and longevity, as a critical hallmark of aging. While optimising mitochondrial health through exercise, diet, and stress management is essential for maintaining…

This month: Yes, yes, yes: intensive lifestyle interventions (4 papers); omega-3 fatty acids and exercise all WORK on preventing and/or reversing cognitive impairment, including in those with genetic risk (including APOE4). Do adipocytes house epigenetic memory leading to the inevitable…

Happy holidays everyone! As you enjoy the festive season, I wanted to take a moment to share with you below some of the highlights from this past year here at Dr. Kara Fitzgerald. It’s been quite a 12 months, and…

Hippocrates is said to have stated “All diseases begin in the gut.” 2000 years later, advancement in gastrointestinal testing, like the GI360™ stool profile from Doctor’s Data, allows medical professionals to ascertain what is in the gut, and how it…

Since my time in a laboratory at the start of my career in 2006, where I was a contributing author to Laboratory Evaluations for Integrative and Functional Medicine (including principal author on the Nutrient & Toxic Elements chapter), I have…

This month, we are sharing short summaries of some of the key research and news pieces that we have been paying attention to. Our focus spans intriguing questions about health and nutrition, from the potential risks of fish oil supplementation…

If you prioritize your health, you’re likely familiar with the foods and supplements that support muscle growth, heart health, and a robust immune system. But have you considered your brain health? Our cognitive well-being underpins our aspirations, achievements, and life…

In this short video blog (6 minutes, 24 seconds), Dr. Fitzgerald asks Ryan Smith, founder of TruDiagnostic, a lab that researches and specializes in understanding and reporting insights derived from epigenetic methylation data, to discuss some of the recent criticisms…

Often, we only think of our immune system seasonally— as something we need to boost during winter months to bolster our ability to fight colds and flu. However, we should be thinking about our immune health daily as a system…

When seeking health advice, we’ve all heard the recommendation, “start with the gut.” Whether we have high cholesterol or heavy periods, it always somehow comes back to the gut, right? Why is that? Well, it’s probably because the state of…