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4 Longevity Markers You Should Know About

6/16/2026

 
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When we think about why our health is important to us, it really comes down to a few things:
  • feeling good
  • living well
  • aging gracefully
What I call bone health, you might think of as preventing osteoporosis or a fracture - which really means maintaining independence.  What I call blood sugar regulation, you could think of as good cognitive function and avoiding neuropathy.  And on and on.  

Longevity isn't just living a long time, though, it's also living well for that time.  We have all experienced family members and friends who have had difficult health issues in their later years.  It's heartbreaking and challenging for everyone.

Now we do know that 70-80% of chronic disease is preventable through lifestyle. (1)  "Lifestyle" in this case refers to eating well, exercising, and limiting tobacco and alcohol.  I'd also add to the list: maintaining social connections, a sense of purpose, and reducing chemical and pharmacological burden.  It's incredibly empowering to know how much influence our choices have on our health!


How do we measure our longevity?

There are 4 key metrics that can help us to gauge our potential to age well.

1.  Grip strength
     - Yep, this is the old high school gym class thing we did.  You don't need to use that old gym class machine though, if you have noticed that it's becoming more tricky to open jars you are experiencing a change in grip strength.  You can improve your grip strength with regular weight training, simply holding a dumbbell will increase it.  Also, keep attempting these tasks rather than passing them off to the strongest person in the house, it won't improve if you don't work at it.

2.  Getting up from the floor
     - Going from sitting on the floor to standing up without using your hands to pull yourself up, is a measure of strength and balance.  All forms of movement will help this skill, keep practicing because avoiding it won't make it better.  If it's too challenging, break it down into parts and begin with little squats while holding onto a doorknob or the back of the couch, then work up to rising from the floor.

3.  Blood markers
     - Blood sugar, or HbA1c, is particularly important, but also hs-CRP, fasting insulin, and vitamin D levels.  Keeping inflammation down and blood sugar managed are especially critical to our longterm health.  Check in on these values every year or two in order to watch your trends.

4.  Waist circumference
     - Holding onto adipose tissue around the abdomen indicates visceral fat storage which increases risk of metabolic and cardiovascular disease, the main cause of mortality worldwide.  Ideally, men will maintain a waist circumference below 37 inches (94 cm) and women below 31.5 inches (88cm).  Having a waist larger than 40 inches (102cm) for men, and 34 inches (88cm) or women carries a much higher risk. (2)  Of course, there is individual variability depending on your own personal stature.  I like to combine this data with body composition analysis, which looks at % of muscle mass and body fat as well.  (Notice we aren't talking about your weight on the scale?)


Viewing our health through the lens of prevention is important at any age, but is even easier if we start in our younger years.  More and more people are becoming aware of our potential to age well, so that we can enjoy our lives at any stage.  And really what this means is being able to play with grandchildren, keep playing a sport we love, or stay mentally sharp.  If you have witnessed a parent, relative or close friend experience osteoporosis (bone loss), sarcopenia (muscle loss), or any other long term changes (many of which are from nutrient depletion from nutrition, absorption, or medications), you know the effect it has on quality of life. 

The good news is that there's so much we can do!  

If you are interested in taking your health to the next level, staying independent, and doing the things you love, even if you are feeling good right now, we should definitely plan out your next steps.  Why wait until something goes wrong?

Looking forward to seeing you soon,
Dr Christa


1.  https://nutritionsource.hsph.harvard.edu/disease-prevention/
2.  https://www.heartandstroke.ca/healthy-living/healthy-weight/healthy-weight-and-waist

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Summertime at the Clinic

At this time of year there's a lot of fun stuff on the go!  If you need to move your upcoming appointment we will do our best to accommodate your schedule, but remember that we do have a 24 hour cancellation policy.  

If your preferred appointment time isn't available, we will gladly add you to the waitlist and contact you if we can fit you in.

For your supplement refills, please email [email protected] or call 519-942-9990.  We can prepare your order and leave it in the dropbox after hours, if needed.  You may also use my online dispensary.


Dr Christa's Summer Holidays

Summer is a great time to relax and unwind.  Practitioners like me need this time in order to be better clinicians!  I'll be in the office, but I do have some time aways as well.  Book your appointments ahead of time to stay on track and avoid disappointment.

Staying Hydrated in the Heat

6/9/2026

 
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Sunshine for days, and now some heat and humidity, makes me start thinking about hydration.  Even though it's important all year round, once the temperatures rise and people start to sweat, keeping on top of hydration becomes even more critical.

Believe it or not, though, simply increasing your water intake does not necessarily help you to absorb and get the water into your cells.

Signs you need to think about hydration:
  • Thirst - if you're thirsty, you're already working from a deficit
  • Hunger - sometimes confused and felt before the cue for thirst
  • Dry skin, eyes, hair - cellular hydration is inadequate
  • Sweating - water needs to be replaced
  • Stools - loose/diarrhea/constipation, loss of water or not enough
  • Swelling - fluid regulation, pooling or inflammation can be from electrolyte imbalances or other causes
  • Urine - dark or very yellow is concentrated and more fluid is needed (unless you take B vitamins or eat beets, which will change urine colour)
I am aware of the hilarious meme about how kids in the 80s (and before that) survived without carrying around a $50 water bottle.  It's a valid point.  Yet, of course we are interested in optimizing health - thriving and not just surviving.
Here are some things to consider:
  • Water Calculation 
                  Weight in pounds / 2    = # ounces of water per day
                    e.g.   150 lbs / 2 = 75 ounces (2.1 litres)

    This is a general number, before exertion and sweating, but it's still a helpful gauge.

  • Herbal Teas
    - I count them as hydrating and they even provide extra minerals which can improve absorption.  For summertime, I've been suggesting that herbal teas be cooled and turned into an iced version, adding lemon and/or a drop of maple syrup or honey, and kept in the fridge.  Many of my patients regularly drink nettle, dandelion, hibiscus, motherwort, lemonbalm, spearmint, or other medicinal teas.  A warm weather option is welcome.  Oh and you can also turn it into popsicles :)

  • Fruits and Vegetables
    - Juicy fruits and vegetables contain water in a gel form, which is wonderfully hydrating.  As produce comes into season, each plant has it's time to shine - nature provides what is needed.  Soon we'll have strawberries and fresh lettuces, then later cucumbers, celery, watermelons, and peaches.  The added nutrient benefit is also helpful for health.
    - I also like to keep a water jug with a few slices of lemon, cucumber, or a few strawberries in the fridge for some yummy flavour.

  • Electrolytes
    - There are some good premade combos, just watch for added ingredients like sugar or fillers.  Coconut water is considered "nature's electrolyte drink." You can also make your own with sea salt, lemon juice, maple syrup/honey, and baking soda. 
    - Stay away from "sports drinks" - you know the ones, they have a lot of sugar or artificial sweeteners, PFAS (forever chemicals), bromine, dyes, and other chemicals.
    - These are great mid-afternoon, timed around workouts or sweating.
    - People with POTS do well with this extra boost of sodium.

  • Sunlight
    - Sunlight helps to structure water in the body and maintain cellular hydration.

  • Blood & Lymph
    - Fluids move through the body via blood and lymph.  Maintaining circulation and lymphatic flow is important for delivering nutrients, and removing waste.  Movement is a great way to do this, but also consider the many ways that these systems become congested.  Lymph fluid collects a lot of garbage and can get 'stuck' or 'sluggish', which limits water getting into the cells.

  • Kidney Health
    - The kidneys remove or conserve water in order to regulate blood pressure and excrete waste.  Dehydration strains the kidneys, and makes kidney stones, damage, or urinary tract infections more likely.  I regularly support kidney health in order to work on these symptoms.

  • Safe storage
    - Plastic water bottles leach microplastics into the water, and should be used for emergencies only.  Use them at a concert, or other event, but at home try to avoid plastic storage as much as possible, especially when heated.  Don't leave water bottles in the car!
As we prepare for summer to arrive, remember that each season has it's own unique health needs.  Check in with me soon so we can create your personalized plan to bring wellness into your summertime.

Take care,
Dr Christa

    Author

    Dr. Christa Reed Kruger is a Naturopathic Doctor, health enthusiast, and loving mom with a passion for helping people to become well and stay well.

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ORANGEVILLE NATUROPATHIC HEALTH CLINIC    39 FIRST STREET, ORANGEVILLE, ON, L9W 2E3       TEL: (519) 942-9990   FAX: (519) 942-9991
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