everyone asks if carbs cause diabetes.
astronauts get insulin resistant in space, and it's not the food What does it mean to be diabetogenic & what does it have to do with carbs? Hi Reader There's a paper in the spaceflight literature with the title "Insulin secretion and sensitivity in space flight: diabetogenic effects." Three decades of research showing that astronauts develop subclinical diabetes-like changes in orbit: Decreased glucose tolerance, higher plasma glucose & insulin resistance. Nobody blames the menu as these are...
1 day ago • 6 min readdo carbs cause diabetes?
astronauts get insulin resistant in space, and it's not the food What does it mean to be diabetogenic & what does it have to do with carbs? Hi Reader There's a paper in the spaceflight literature with the title "Insulin secretion and sensitivity in space flight: diabetogenic effects." Three decades of research showing that astronauts develop subclinical diabetes-like changes in orbit: Decreased glucose tolerance, higher plasma glucose & insulin resistance. Nobody blames the menu as these are...
2 days ago • 6 min readsome of you won't see the sun until 10am if this passes
Need your help - let's spread this far and wide! How we can stop the "Sunshine Bill" - please give me 2 minutes today! Hi Reader This morning I had a fun email planned about how astronauts get diabetes (I'm serious lol - watch the video here) - but I decided that THIS was way more important & I will write that article on Sunday. On Tuesday the House passed the Sunshine Protection Act. It makes daylight saving time permanent, all year, and it's in the Senate right now. I want to be really...
4 days ago • 4 min readyou can eat the same food twice and get two different blood sugars
Why your July diet & your December diet should probably be different How light impacts your carb tolerance Hi Reader You may not have read this study: Two people ate the same carbohydrate. Same food, same amount, same time of day. One of is exposed to 670nm red light (also abundant in sunlight). Their glucose response is 27.7% lower - Integrated across the full two hours after the meal. Nothing about the food changed. Nothing about the amount changed. No supplement, no fiber trick, no walk...
5 days ago • 6 min readsame food. 27.7% lower glucose response.
Why your July diet & your December diet should probably be different How light impacts your carb tolerance Hi Reader You may not have read this study: Two people ate the same carbohydrate. Same food, same amount, same time of day. One of is exposed to 670nm red light (also abundant in sunlight). Their glucose response is 27.7% lower - Integrated across the full two hours after the meal. Nothing about the food changed. Nothing about the amount changed. No supplement, no fiber trick, no walk...
6 days ago • 6 min readThey told me I'd inherit my mom's varicose veins. I'm 47 without them.
Two new articles on legs, plus Blueprint doors open in August (waitlist only). I've been writing about legs this week & it's been a hot topic.... Hi Reader I've been writing about legs this week. Bear with me, because it turned into something bigger than legs.... It started with a memory: When I was little, I looked at my mom's legs and my grandmother's legs, saw those ropey blue veins, and asked what they were. I was told the same thing so many of you were told: they're genetic, you'll get...
11 days ago • 4 min readIf you’re over 40 and worried about losing muscle, read this
Also - your chance to hang with me on zoom today! If you’re over 40 and worried about losing muscle, read this Hi Reader Today I want to share a 2025 study that showed 2 groups of women who were postmenopausal, with low vitamin D, early muscle & bone loss.....and how light was the differentiator. Keep reading for the details on how light did what the supplements alone couldn't JULY specials: MyCircadianApp (30% off your first year this month only with code SARAHK) Leptin Diet (if you just...
14 days ago • 2 min readThe weird stuff I'm packing for my first real trip in years
Fully unhinged packing list in case you are traveling this summer Sharing my summer trip packing list with you! *my first trip in a few years* Hi Reader Before we get into the bags, a quick note: I get asked about sun and safety constantly, so I'm putting my Safe Sun protocol video right up top. If you want my actual thoughts on sunlight, how I think about it, and how I keep my family safe while still getting the benefits, start here. Safe Sun Protocol video And I always use MyCircadianApp...
22 days ago • 6 min readdo you actually know what to do if you find a tick?
Two quick deadlines first, then something I really want you to hear. TICKS (let's chat) & a couple deadlines, because both have a clock on them today. Hi Reader This week I released a great episode about tick prevention & treatment - that goes far beyond what standard medicine can offer. Keep reading for all the links. But first I wanted to let you know about two things that have a deadline: 1. Today is the last day of Prime Day, and there are several items I use daily that are on sale right...
25 days ago • 2 min readthis week my doctor said my labs were normal. they WERE NOT.......
Two quick things today, one personal and one time-sensitive. What a ferritin of 9 taught me, and a closing door Hi Reader, Two quick things today, one personal and one time-sensitive. First, the time-sensitive one: Blueprint Coaching closes in ONE WEEK. If working with me & getting support from me directly has been on your mind, this is your window. After it closes, doors stay shut until the next round (we are not sure of the next round as we may take some time off!). You can grab your spot...
about 1 month ago • 2 min read