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🗓️ 19 December 2025
⏱️ 12 minutes
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Most people don’t find out they have kidney damage until it’s too late. Discover 18 early signs of kidney problems that often occur before the damage is too severe. When it comes to chronic kidney disease, prevention is key.
0:00 Introduction: Kidney function explained
2:11 Early kidney damage signs
3:00 Stages of kidney disease
3:48 What destroys kidney health?
7:07 18 visible kidney damage signs
10:08 How to prevent kidney disease
Healthy kidneys are imperative to your overall health. The kidneys are situated deep within the rib cage, and have your adrenal glands on top. Each filtering unit of the kidney, called a nephron, contains a highly concentrated network of capillaries.
There are 1 million nephrons in each kidney! This number often decreases with age, although it typically does not cause many symptoms. Kidneys are very good at compensating, even if they’re 50% damaged.
One of the earliest kidney health warning signs is protein in the urine. At-home urine tests detect the albumin-creatinine ratio, which you want to keep below 30 mg/g.
The stages of chronic kidney disease are associated with specific percentages of nephron loss:
Stage 2: 20% loss
Stage 3: 60% loss
Stage 4: 85% loss
Stage 6: 95% loss
The good news is that if you catch kidney disease in time, it can be reversed.
The following factors often cause kidney disease:
•Ultra-processed foods
•PFAS
•Insulin resistance
•Medications
•Low vitamin D
•Low magnesium
•Low omega-3s
•Poor sleep
Here are 18 early signs of kidney disease:
1. Puffy eyes
2. Swollen feet
3. Swollen hands
4. Sudden weight gain
5. Foamy urine
6. Itchy skin
7. Pale skin
8. Dark circles under the eyes
9. Bruise easily
10. Dark urine
11. Blood in the urine
12. Less urine output
13. Constantly tired
14. Restless legs syndrome
15. Muscle cramps
16. Poor appetite
17. Bad breath
18. Nail changes
Work closely with your doctor if you have stage 5 kidney disease!
For your best kidney health, try increasing the following foods and nutrients:
•Vitamin D, magnesium, and phosphorus
•Omega-3 fatty acids
•Fish and dairy
•Green tea
•Vegetables
•Zinc
•TUDCA
•Curcumin
Dr. Eric Berg DC Bio:
Dr. Berg, age 60, is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the Director of Dr. Berg Nutritionals and author of the best-selling book The Healthy Keto Plan. He no longer practices, but focuses on health education through social media.
Disclaimer:
Dr. Eric Berg received his Doctor of Chiropractic degree from Palmer College of Chiropractic in 1988. His use of “doctor” or “Dr.” in relation to himself solely refers to that degree. Dr. Berg is a licensed chiropractor in Virginia, California, and Louisiana, but he no longer practices chiropractic in any state and does not see patients, so he can focus on educating people as a full-time activity, yet he maintains an active license. This video is for general informational purposes only. It should not be used to self-diagnose, and it is not a substitute for a medical exam, cure, treatment, diagnosis, prescription, or recommendation. It does not create a doctor-patient relationship between Dr. Berg and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.
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| 0:00.0 | Today we're going to talk about the 18 warning signs of kidney damage that you can actually |
| 0:04.3 | see on your body. |
| 0:05.9 | I just want to give you some quick basics just so you know what the kidney does. |
| 0:10.5 | Both of the kidneys are deep underneath your rib cage and they have a little adrenal gland |
| 0:15.4 | on top of them, but they're not just filters. |
| 0:19.0 | If you take a look at this, I don't know if you can see this. |
| 0:21.7 | If you take a look at a little cross-section of the kidney, you'll see that there's just a bunch |
| 0:26.0 | of tubes that kind of go up and down and around. And each filtering unit of the kidney is called |
| 0:31.4 | a nephron with a super concentrated amount of little capillaries that are in this little bundle, this tiny little |
| 0:39.1 | nephron, which is literally the size of a speck of dust. But if you stretch out all of these |
| 0:45.6 | capillaries and these tubes, it comes out to like one to two inches each. And you have one million |
| 0:51.7 | of these nephrons in each kidney. And the problem is as you age, |
| 0:56.8 | you start losing these little nephrons to the point where you don't necessarily feel any |
| 1:02.5 | symptoms. Even at like 50% loss, your kidneys can compensate and actually start to enlarge. |
| 1:15.7 | And you can have a lot of damage going on the kidney without really knowing it for some period of time. |
| 1:19.3 | But I really want you to appreciate what the kidney really is. |
| 1:22.4 | Or actually, let's just talk about what a nephron really is. |
| 1:27.0 | It's the tiniest biological filter that ever existed, and it's super high energy. |
| 1:29.2 | That means it has so much concentrated mitochondria because it requires a lot of energy to do |
| 1:35.0 | what it does. |
| 1:36.5 | Because literally, per day, it has to filter 50 gallons of blood, yet we only lose one to two liters of fluid every single day. So it's super |
| 1:49.1 | efficient and it's an amazing efficient recycler of amino acids, proteins, electrolytes, |
... |
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