Five Reasons to Stop at SPF 50

1. Diminishing Marginal Sunblock Utility:  SPF 50 blocks 98% of UVB rays; SPF 100 blocks 99%.  SPF 30 to 50 will offer adequate sunburn protection, even for people most sensitive to sunburn.

2. Lackluster UVA Protection:  UVA rays penetrate deeper into your skin, cause free radical damage, suppresses the immune system, and is associated with higher risk of developing melanoma.  Most US sunscreens are designed and oriented to block UVB rays which cause sunburn.  Because of the ingredients used to focus on blocking UVB rays, higher SPF sunscreens may actually block UVA rays less effectively.

3. SPF Labs Are Not Real World:  Sunscreens are tested in labs under unreal and various conditions.  What one company calculates to be 100 SPF another company may calculate to be 30 SPF with only the slightest changes to thickness applied, or light intensity.  P&G asked the h FDA to cap SPF at 50+ because it is misleading and inappropriately influences purchase decisions.

4. False Security Leads to Bad Behavior:  When sunbathers apply high SPF sunscreen it was found that they stayed in the sun longer.  The effect is increased sun exposure, and sun worshippers tend not to apply sunscreen regularly because of perceived protection.  In both cases, there is increased risk of skin damage.

5. Toxic Ingredients:  Sun-filtering chemicals required for high SPF sunscreen can penetrate the skin causing tissue damage, hormone disruption, and allergic reaction.  Without posting gains in the area of proven extra protection from skin damage, it is not worth the additional risk of such ingredients. 

 

Guest Feature: Benefits of Exercise for Children by Udo Fischer, PhD

Those of you who have read my articles in the past already know how much significance I attribute to the benefits of exercise and nutrition on our mental well being. I am often being asked why I think we have so many children, and adults by the way, diagnosed with something we call ADHD, mood or anxiety disorders. Well, one day we may possibly find out that there is something particular in our food or environment that directly causes it. And for some children reducing simple sugars, gluten, or other additives can make a big difference. However, thinking about some friends of mine and how they absolutely do not function well when they do not keep up their rigorous aerobic workout routines made me consider something else; and remember my own childhood. Can you, our valued reader, think back of a time where we, especially our children, lived a sedentary lifestyle to the extent many actually do today? I can assure you that I was hardly ever chauffeured anywhere, nor did I enjoy being inside the house for longer than my mandatory homework. We ran and played outside every single minute we had. We drove our bicycles to school and back home under all weather conditions. And the same held true for soccer, football, and all other extracurricular activities. Let me ask you a different question: What does a dog do when you don’t walk it enough and keep it locked in the house for too long? You know the very few possible answers to this question. Now here comes some scientific evidence, which today we have in abundance. A study published in 2011 in the peer reviewed journal ‘Health Psychology’ by Davis et al. [1] came to the following conclusion:

Consistent with results obtained in older adults, a specific improvement on executive function and brain activation changes attributable to exercise were observed. The cognitive and achievement results add evidence of dose-response and extend experimental evidence into childhood. This study provides information on an educational outcome. Besides its importance for maintaining weight and reducing health risks during a childhood obesity epidemic, physical activity may prove to be a simple, important method of enhancing aspects of children’s mental functioning that are central to cognitive development. This information may persuade educators to implement vigorous physical activity.”

Particularly something called ‘executive function’ improves in children who follow a regular aerobically focused exercise routine. ‘Executive function’ includes cognitive processes predominantly associated with the frontal lobe of the brain, such as planning, working memory, attention and set shifting, problem solving, verbal reasoning, inhibition, mental flexibility, multi-tasking, and initiation and monitoring of actions. It is easy to understand why improvements in these functions lead to not only higher academic achievement, but to more socially acceptable behavior overall. As mentioned before the benefits of regular exercise and physical activity are not limited to executive functioning. They extend to other areas of the brain that seem to be affected in patients with mood and anxiety disorders. It appears that our brain metabolism has a tendency towards self-regulation given the right circumstances, a phenomenon called homeostasis in medicine.

(If you copy the following link into your browser you can find many more studies confirming these findings, approved by the US National Library of Medicine of the National Institutes of Health: http://www.ncbi.nlm.nih.gov/pubmed/21299297).


[1] Davis C., Tomporowski P., McDowell J., Austin B., Miller P., Yanasak N., Allison J., Naglieri J.  (2011): Exercise improves executive function and achievement and alters brain activation in overweight children: a randomized, controlled trial. Health Psychology, 2011 Jan;30(1):91-8.

About Udo Fischer

My name is Udo Fischer and I have been practicing psychotherapy in Naples for five years. Trained in clinical psychology and neuropsychology in Europe I further deepened my skills at the Beck Institute for Cognitive Behavior Therapy in Philadelphia. In Germany I conducted research with Prof. Dr. Rainer Sachse, a thought leader in the treatment of somatoform and personality disorders. A second mentor was Prof. Dr. Dietmar Schulte, president of the German Behavior Therapy Association and leading researcher for the treatment of mood and anxiety disorders.
Besides resolving clinical issues I apply a communication, conflict management, mediation approach that has been successfully applied in corporate and diplomatic contexts as well. My success rate with couples in crises is 100% assumed that both parties are motivated to resolve their issues amicably.

Clear kids with concussions before sports: report

Concussion Injury(Reuters Health) – Kids who suffer concussions should be cleared by a doctor before they start playing sports again, and parents and coaches should be aware that young athletes take longer to recover than college and professional athletes, according to a new report in Pediatrics.

The brains of kids and adolescents might be even more susceptible to the effects of a concussion than older athletes, the Council writes.

The symptoms, which might take a few hours to show up, include headache, nausea, sensitivity to light and noise, or depression and anxiety, the Council says. Some but not all athletes with concussions lose consciousness.

On the field, coaches and trainers should first rule out the possibility of a spine injury, according to the Council recommendations, then should test the athlete’s mental functioning by asking questions such as, “What team did you play last week?” Athletes that do show signs of a concussion should be monitored closely to make sure they don’t get worse.

If a concussion is confirmed, kids need to rest – both physically and mentally, the Council says. Because schoolwork and reading can make symptoms worse, parents should consider taking kids out of school while they recover and discourage their child from any other mental overexertion, including playing video games or watching TV.

Once kids have no more symptoms, they can slowly start being more active – as long as the symptoms don’t return. It might take up to ten days for all symptoms to disappear. Before kids start practicing sports again, they should be checked by a doctor to make sure they’re ready.

When kids return to play before they are healed from a first concussion, they risk second-impact syndrome: when a second blow to the head can mean serious brain injury.

“The younger athletes, their brain is still developing,” McLeod, of the Arizona School of Health Sciences said. “We don’t really know any potential long-term consequences. We just don’t know how these impacts may or may not accumulate over time.”

SOURCE: link.reuters.com/vax47n Pediatrics, online August 30, 2010.