Resistance training, low back pain, cfDNA cancer screening delays, and GLP1s and knee replacement

TT HealthWatch - June 5, 2026
Elizabeth Tracey and Dr. Richard Lange

This week's topics include the benefits of resistance training, staving off chronic low back pain, delays in cancer diagnosis with cfDNA screening, and GLP1s and knee replacement.

Program notes:

0:35 Cell-free DNA screening for cancer and diagnosis delays

1:35 Populations-based screening

2:35 24 different companies offer liquid biopsy

3:01 Can we prevent chronic back pain after acute back pain?

4:01 Impact score on chronic back pain

5:01 Real-world setting lacks impact

6:01 Primary care role

7:01 Individual should assess their own back pain

7:25 Resistance training and mortality

8:25 Most benefit with aerobic and resistance training

9:20 GLP1 and knee arthroplasty

10:20 Using a GLP1 reduced risk of knee arthroplasty

11:23 Can't imagine using them solely for this purpose

12:25 End

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Dual anticoagulation, miscarriage, at home rehab, and weight loss