Contrary to what we’ve been told, cholesterol didn’t evolve to give us heart disease. It’s not here to kill us. The actual roles of cholesterol in the body include insulating neurons, building and maintaining cellular membranes, participating in the immune response, metabolizing fat soluble vitamins, synthesizing vitamin D, producing bile, and kick-starting the body’s synthesis of many hormones, including the sex hormones. Without cholesterol, it’s true that we wouldn’t have heart disease, but we also wouldn’t be alive.
Given all the work cholesterol has to do, the liver is careful to ensure the body always has enough, producing some 1000-1400 milligrams of it each day. Dietary cholesterol is a relative drop in the bucket. And besides, the liver has sensitive feedback mechanisms that regulate cholesterol production in response to how much you get from your diet. Eat more cholesterol, make less in the liver. Eat less, make more in liver.
People do not pay much attention to how to strengthen tendons and ligaments, until they suffer a tendon injury. Only then do you realize that training your tendons is just as important as working on muscle strength and endurance.
Our bodies “expect” a lifetime of constant, varied movement. From a very early age, most humans throughout history were constantly active. They weren’t exercising or training, per se, but they were doing all the little movements all the time that prepare the body and prime the tendons to handle heavier, more intense loads and movements: bending and squatting and walking and twisting and climbing and playing and building. It was a mechanical world. The human body was a well-oiled machine, lubed and limber from daily use and well-prepared for occasional herculean efforts.
Maybe it’s an injury that took months to overcome. Maybe it’s an illness that left you bedridden (or demotivated). Maybe it’s simple disuse and neglect that dragged on and on—or lasted your entire life until today. Or maybe you read my recent post about claiming health in later life and want to get back on the road to vitality. For whatever reason, almost everyone will be forced to recover and rebuild their fitness and strength after an extended period of inactivity. But there’s a wrong way and a right way to do it.
Here are some tips for doing it the right way:
Cold season is upon us. Vitamin D levels are down. People are cloistered indoors. Kids are walking petri dishes. Drug stores are advertising free flu shots. It’s that time of year. I’m sure a few of you are even sniffling as you read this, or maybe trying to ignore the pain of swallowing with a sore throat.
Colds seem like an inevitability, maybe not so much since you’ve cleaned up your diet, but nothing is 100% fool-proof. You will get sick. You will catch a cold. Or someone close to you will. What can you do for yourself? For your sick kid or partner? Are there any natural cold remedies that actually work?
Let’s look at them.
Inflammation gets a bad rap in the alternative health world: “Inflammation causes heart disease, cancer, and autoimmune disease! It’s at the root of depression.” These are all true—to some extent.
Name a disease, and inflammation is involved.
Crohn’s disease is inflammatory.
Major depression is inflammatory.
Heart disease is inflammatory.
Autoimmune diseases, which involve an inflammatory response directed at your own tissues, are inflammatory.
Arthritis is inflammatory.
Even obesity is inflammatory, with fat cells literally secreting inflammatory cytokines.
Yes, but the story is more complicated than that. Inflammation, after all, is a natural process developed through millions of years of evolution. It can’t be wholly negative. Just like our bodies didn’t evolve to manufacture cholesterol to give us heart disease, inflammation isn’t there to give us degenerative diseases.
Older people (and those headed in that direction, which is everyone else) are really sold a bill of goods when it comes to health and longevity advice. I’m not a young man anymore, and for decades I’ve been hearing all sorts of input about aging that’s proving to be not just misguided, but downright incorrect. Blatant myths about healthy longevity continue to circulate and misinform millions. Older adults at this very moment are enacting routines detrimental to living long that they think are achieving the opposite. A major impetus for creating the Primal Blueprint was to counter these longevity myths. That mission has never felt more personal.
So today, I’m going to explore and refute a few of these top myths, some of which contain kernels of truth that have been overblown and exaggerated. I’ll explain why.
Today’s post is offered up by the good people at Joovv, a company devoted to researching and harnessing the science of red light therapy. I’ve gotten to know (and love) their technology over the last year, and my family has, too—especially my daughter and son-in-law. Today I’ve invited Scott Nelson and his team to share some of their research into red light therapy, a topic I’ve written about now and then over the last few years. It’s an area of ancestral health I find fascinating—and one where modern science can help us recreate or even enhance natural ancestral inputs to foster better well-being today. Enjoy—and be sure to check out the giveaway below.
Diet and fitness are the pillars of a healthy life built on ancestral principles. But food, water, and exercise aren’t the only factors that affect your health and function on a day-to-day basis. Natural light is also a major pillar of a healthy, ancestral lifestyle, and unfortunately, many people don’t get nearly enough of it.
You can complement your diligence in the kitchen and your hard work in the gym with the “nutrients” that come from natural light. This post gives an overview of photobiomodulation (aka “red light therapy”), a natural health intervention that’s helping people get the light their bodies need for optimal health and fitness.
Hypertension is a problem. It raises the risk of heart disease; it’s one of the most consistent risk factors for that condition, as well as others like kidney disease. But before you start freaking out about your high blood pressure, make sure you actually have it. A single elevated reading does not a hypertension diagnosis make. Readings are snapshots in time. They can be a part of a trend, or they can be an isolated case. Don’t assume based on one bad reading.
I can remember going to the doctor about ten years ago for a routine checkup, showing 140/100, and almost getting a prescription based on that. It was absurd, so absurd that I took matters into my own hands and got a fancy blood pressure device to measure my own over the next couple weeks. The result?
For today’s edition of Dear Mark, I’m answering five questions taken from this Twitter thread. First, does collagen offer anything special above and beyond glycine? Second, what’s the relationship between keto and gallstones? Third, do I recommend eating raw liver, and why or why not? Fourth, why does one reader’s scalp itch when eating stevia? And finally, what’s the best way to lose fat and gain muscle at the same time?
The fitness world is booming these days. You can see it in the popularity of CrossFit boxes, obstacle course and endurance events, and record-breaking gym construction. It’s encouraging. Inspiring even. But there’s also a downside to the rising gym memberships and event registrations. There are still too many people dealing with recurring patterns of breakdown, burnout, illness and injury. More people are trying to do the right thing, but the flawed approaches they often gravitate to end up derailing them.
Nonetheless, there are changes afoot. It’s an evolution of thinking that’s slowly spreading its way through fitness circles. More forward-thinking coaches, trainers, and researchers are helping right the wrongs of the fitness boom with a general rejection of the “more is better” approach for one that respects the importance of balancing stress and rest, one that moves toward an intuitive approach to workout planning.