Thursday, March 7, 2013

What are some vitamins and minerals that are dangerous to take too much of?

Q. I mean, in a supplement.

A. Symptoms of Toxicity (mild and severe)

Vitamin A - Headache, vomiting, diplopia, alopecia, dryness of mucous membranes, dermatitis, anemia, insomnia, bone abnormalities, bone and joint pain, hepatomegaly, liver damage, hypercalcemia, hyperlipemia, menstrual irregularities, spontaneous abortions, and birth defects.

Vitamin D - Nausea, vomiting, excessive thirst and urination, muscular weakness, joint pain, hypercalcemia, disorientation, and irreversible calcification of heart, lungs, kidneys, and other soft tissues.

Vitamin E - Exacerbation of the coagulation defect produced by vitamin K deficiency caused by either malabsorption or anticoagulant therapy.

Vitamin K - Menadione (vitamin K3) but not phylloquinone (vitamin K1) causes hemolytic anemia, liver damage, and, in newborns, kernicterus.

Vitamin C (ascorbic acid) - Nausea, diarrhea, kidney stones, mobilization of bone minerals.

Vitamin B1 - Gastric upset and prolonged large parenteral injections can lead to sensitized anaphylactoid reactions.

Niacin - Nicotinic acid - vascular dilation, gastrointestinal irritation, increased muscle glycogen utilization, decreased serum lipids, decreased mobilization of fatty acids from adipose tissues, and hepatomegaly.
Nicotinamide - nausea, heartburn, fatigue, dry hair, sore throat, and inability to focus eyes.

Vitamin B6 - Dizziness, nausea, ataxia, perpheral neuropathy.

Folic Acid - Can obscure the diagnosis of pernicious anemia by preventing anemia and permitting nerve damage and may reduce zinc absorption.

Pantothenic Acid - Occasional diarrhea and edema.

Choline - Nausea, dizziness, diarrhea, depression.

Calcium - Nausea, constipation, hypertension, hypercalcemia, kidney stones, myopathy, and may inhibit absorption of iron and zinc.

Phosphorus - Calcium antagonism which can result in tetany and convulsions.

Magnesium - Nausea, diarrhea, hypotension, bradycardia, vasodilation, EKG changes, coma, and cardiac arrest.

Iron - Bloody diarrhea, vomiting, hemosiderosis, hemochromatosis, cirrhosis, diabetes, cardiac failure, increased incidence of hepatoma, and may compromise zinc and copper absorption.

Zinc - Gastrointestinal irritation, vomiting, impairment of copper status, microcytic anemia, impairment of immune responses, and decline in serum high-density lipoproteins.

Copper - nausea, gastric pain, diarrhea, vascular collapse.

Fluoride - affects bone health, kidney function, and possibly muscle and nerve function.

Iodide - Blocks formation of thyroid hormones usually temporarily but can be permanent and may cause goiter.

Selenium - Fingernail changes, hair loss, nausea, abdominal pain, diarrhea, fatigue, irritability, and peripheral neuropathy.

Manganese - severe psychiatric disorder, reproductive and immune system dysfunction, and kidney and liver disorders.

Molybdenum - Antagonistic to copper and increased incidence of gout.


How to get rid of dark circles under eyes?
Q. I am only 15 and I already have terrible dark circles under my eyes. They are not puffy, but they are very dark. Is there any way to get rid of them? And please don't say to get more sleep or drink more water or change my diet. I mean something I can put under my eyes to get rid of them.

A. Common Causes of Dark Circles Under Eyes

Thinning skin
The skin under the eyes is thin and delicate to begin with. As we age, skin and the fat pad under the eyes becomes thinner, causing blood vessels to become noticeable. This gives the appearance of dark circles. Sun damage can make it worse because it weakens skin.


Allergies and Hayfever
Dark circles under the eyes can be the result of allergies to airborne substances, such as pollen, dust, and pet dander, because people rub their itchy eyes. People with hayfever may notice them at the height of the season. Food allergies or sensitivities can also contribute to dark circles.


Genetics
Dark circles under the eyes runs in families. They tend to be more noticeable in people with fair skin or deep-set eyes.


Fluid Retention
Blood vessels under the eyes can become dilated and engorged, which can contribute to dark circles. Excess dietary salt and smoking are common causes. Conditions that cause fluid retention (e.g. heart, thyroid, kidney, liver diseases) or medications that cause blood vessel dilation may be a factor. Your doctor should be aware of any symptoms you're experiencing.


Lack of sleep
A lack of sleep can make skin appear more pale, which allows blood vessels to be more visible through the skin, giving the appearance of bluish or dark circles.


Iron Deficiency Anemia
Iron deficiency anemia may cause a bluish tinge below the eyes.


Dehydration
Dark circles under the eyes can be a sign of dehydration.
Remedies for Dark Circles Under the Eyes

There are some home remedies that may help to temporarily diminish the appearance of dark circles under the eyes, and prevent dark circles from worsening.

1. Be sure to drink enough water. Hydration Calculator: How much water do you need?

2. Wear sunscreen with a minimum of SPF 30 under the eyes to prevent skin weakening caused by sun damage.

3. Get plenty of rest.

4. Apply plain cool teabags over closed eyes. Don�t use herbal teabags, because most aren't as effective.

5. Apply cool cucumber slices over closed eyes for 15 minutes.

6. Be careful not to consume too much dietary salt. Start by learning about sources of sodium in the diet.

7. Apply vitamin K cream. Although studies haven't looked at the use of topical vitamin K for dark circles under the eyes, preliminary studies have found that vitamin K may help with bruising.

8. Vitamin C helps to strengthen blood vessel walls. Quiz: Are you getting enough vitamin C?

9. The dietary supplements grape seed extract and pycnogenol contain antioxidant pigments that may help to strengthen blood vessels. They should be used under medical supervision by people on "blood-thinning" drugs such as Coumadin (warfarin) and aspirin.

Certain foods, such as cranberries, blueberries, bilberries, tea (green and black), black currant, onions, legumes, and parsley also contain these antioxidant pigments.

10. Eat kidney-balancing foods. In Traditional Chinese Medicine, a bluish cast under the eyes are due to an imbalance in kidney energy.


How do you get thicker skin around the eyes to remove Dark Circles and Visible veins?
Q. I have really darker color skin and visible veins beneath my eyes, this seems to be because the under eye skin is so thin, how can I get thicker skin underneath my eyes to cure the dark circles, I am underweight 6'0 135 pounds. My cheeks also appear to be too thin.

A. Common Causes of Dark Circles Under Eyes

Thinning skin
The skin under the eyes is thin and delicate to begin with. As we age, skin and the fat pad under the eyes becomes thinner, causing blood vessels to become noticeable. This gives the appearance of dark circles. Sun damage can make it worse because it weakens skin.


Allergies and Hayfever
Dark circles under the eyes can be the result of allergies to airborne substances, such as pollen, dust, and pet dander, because people rub their itchy eyes. People with hayfever may notice them at the height of the season. Food allergies or sensitivities can also contribute to dark circles.


Genetics
Dark circles under the eyes runs in families. They tend to be more noticeable in people with fair skin or deep-set eyes.


Fluid Retention
Blood vessels under the eyes can become dilated and engorged, which can contribute to dark circles. Excess dietary salt and smoking are common causes. Conditions that cause fluid retention (e.g. heart, thyroid, kidney, liver diseases) or medications that cause blood vessel dilation may be a factor. Your doctor should be aware of any symptoms you're experiencing.


Lack of sleep
A lack of sleep can make skin appear more pale, which allows blood vessels to be more visible through the skin, giving the appearance of bluish or dark circles.


Iron Deficiency Anemia
Iron deficiency anemia may cause a bluish tinge below the eyes.


Dehydration
Dark circles under the eyes can be a sign of dehydration.
Remedies for Dark Circles Under the Eyes

There are some home remedies that may help to temporarily diminish the appearance of dark circles under the eyes, and prevent dark circles from worsening.

1. Be sure to drink enough water. Hydration Calculator: How much water do you need?

2. Wear sunscreen with a minimum of SPF 30 under the eyes to prevent skin weakening caused by sun damage.

3. Get plenty of rest.

4. Apply plain cool teabags over closed eyes. Don�t use herbal teabags, because most aren't as effective.

5. Apply cool cucumber slices over closed eyes for 15 minutes.

6. Be careful not to consume too much dietary salt. Start by learning about sources of sodium in the diet.

7. Apply vitamin K cream. Although studies haven't looked at the use of topical vitamin K for dark circles under the eyes, preliminary studies have found that vitamin K may help with bruising.

8. Vitamin C helps to strengthen blood vessel walls. Quiz: Are you getting enough vitamin C?

9. The dietary supplements grape seed extract and pycnogenol contain antioxidant pigments that may help to strengthen blood vessels. They should be used under medical supervision by people on "blood-thinning" drugs such as Coumadin (warfarin) and aspirin.

Certain foods, such as cranberries, blueberries, bilberries, tea (green and black), black currant, onions, legumes, and parsley also contain these antioxidant pigments.

10. Eat kidney-balancing foods. In Traditional Chinese Medicine, a bluish cast under the eyes are due to an imbalance in kidney energy.


How can you get rid of dark circles?
Q. I have dark circles under my eyes. They look like bruses but they arent. How can I get rid of them. I would also like to know how to get rid of acne? Any suggestions?

A. Common Causes of Dark Circles Under Eyes

Thinning skin
The skin under the eyes is thin and delicate to begin with. As we age, skin and the fat pad under the eyes becomes thinner, causing blood vessels to become noticeable. This gives the appearance of dark circles. Sun damage can make it worse because it weakens skin.

Allergies and Hayfever
Dark circles under the eyes can be the result of allergies to airborne substances, such as pollen, dust, and pet dander, because people rub their itchy eyes. People with hayfever may notice them at the height of the season. Food allergies or sensitivities can also contribute to dark circles.

Genetics
Dark circles under the eyes runs in families. They tend to be more noticeable in people with fair skin or deep-set eyes.

Fluid Retention
Blood vessels under the eyes can become dilated and engorged, which can contribute to dark circles. Excess dietary salt and smoking are common causes. Conditions that cause fluid retention (e.g. heart, thyroid, kidney, liver diseases) or medications that cause blood vessel dilation may be a factor. Your doctor should be aware of any symptoms you're experiencing.

Lack of sleep
A lack of sleep can make skin appear more pale, which allows blood vessels to be more visible through the skin, giving the appearance of bluish or dark circles.

Iron Deficiency Anemia
Iron deficiency anemia may cause a bluish tinge below the eyes.

Dehydration
Dark circles under the eyes can be a sign of dehydration.

Remedies for Dark Circles Under the Eyes

There are some home remedies that may help to temporarily diminish the appearance of dark circles under the eyes, and prevent dark circles from worsening.

1. Be sure to drink enough water. Hydration Calculator: How much water do you need?

2. Wear sunscreen with a minimum of SPF 30 under the eyes to prevent skin weakening caused by sun damage.

3. Get plenty of rest.

4. Apply plain cool teabags over closed eyes. Don�t use herbal teabags, because most aren't as effective.

5. Apply cool cucumber slices over closed eyes for 15 minutes.

6. Be careful not to consume too much dietary salt. Start by learning about sources of sodium in the diet.

7. Apply vitamin K cream. Although studies haven't looked at the use of topical vitamin K for dark circles under the eyes, preliminary studies have found that vitamin K may help with bruising.

8. Vitamin C helps to strengthen blood vessel walls. Quiz: Are you getting enough vitamin C?

9. The dietary supplements grape seed extract and pycnogenol contain antioxidant pigments that may help to strengthen blood vessels. They should be used under medical supervision by people on "blood-thinning" drugs such as Coumadin (warfarin) and aspirin.

Certain foods, such as cranberries, blueberries, bilberries, tea (green and black), black currant, onions, legumes, and parsley also contain these antioxidant pigments.

10. Eat kidney-balancing foods. In Traditional Chinese Medicine, a bluish cast under the eyes are due to an imbalance in kidney energy. Learn more about kidney yang deficiency and foods to eat.





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